# N471EV: Boeing 747-273C

- Status: Valid registration
- Airframe: [Boeing 747-273C](https://openairdocs.org/model/boeing-747-273c) (registry code 1384896, 495 seats)
- Engine: [Pratt & Whitney JT9D series](https://openairdocs.org/engine/pratt-whitney-jt9d-series) (registry code 52054)
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE) (The Boeing Company) (OpenAirDocs)
- Serial number: 20651
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: September 29, 1994
- Certificate issued: August 27, 2022
- Expires: August 31, 2029
- Mode S code: A5C549
- Registered owner: [Gugu Ltd](https://openairdocs.org/faa-owner/GUGU%20LTD)
- Location: [Bellevue, WA](https://openairdocs.org/faa-place/WA/Bellevue)
- Owner type: Corporation
- Owner's area on the map: 47.6065° N, 122.1115° W: Placed by OpenAirDocs at the center of ZIP code 98008, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=471EV
- Page: https://openairdocs.org/aircraft/N471EV

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Pratt & Whitney JT9D model are included.

## ADs that may apply (OpenAirDocs): 520 in force

### Matched by airframe (Boeing 747-273C)

- [AD 2026-10-14](https://openairdocs.org/ad/2026-10-14): Communications system · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jul 6, 2026
- [AD 2026-13-14](https://openairdocs.org/ad/2026-13-14): Navigation · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 7 more. Effective Jul 1, 2026
- [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02): Navigation · Airbus Canada Limited Partnership 18, 49-46, 80-A and 555 more. Effective Jul 1, 2026
- [AD 2025-15-07](https://openairdocs.org/ad/2025-15-07): Equipment/furnishings · Boeing 747-8 Series, 747-8F Series, 747-200B Series and 6 more. Effective Aug 13, 2025
- [AD 2025-09-08](https://openairdocs.org/ad/2025-09-08): Stabilizers · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 11 more. Effective May 5, 2025
- [AD 2025-02-05](https://openairdocs.org/ad/2025-02-05): Landing gear · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Mar 17, 2025
- [AD 2024-19-01](https://openairdocs.org/ad/2024-19-01): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Nov 15, 2024
- [AD 2023-23-14](https://openairdocs.org/ad/2023-23-14): Fuel · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 11 more. Effective Dec 15, 2023
- [AD 2023-18-06](https://openairdocs.org/ad/2023-18-06): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Nov 7, 2023
- [AD 2023-12-14](https://openairdocs.org/ad/2023-12-14): Navigation · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 7 more. Effective Jun 21, 2023
- [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023
- [AD 2023-03-15](https://openairdocs.org/ad/2023-03-15): Air conditioning · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Apr 14, 2023
- [AD 2022-24-15](https://openairdocs.org/ad/2022-24-15): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 11 more. Effective Jan 26, 2023
- [AD 2022-23-12](https://openairdocs.org/ad/2022-23-12): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jan 4, 2023
- [AD 2022-17-03](https://openairdocs.org/ad/2022-17-03): Fuel · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 6 more. Effective Oct 20, 2022
- [AD 2022-10-11](https://openairdocs.org/ad/2022-10-11): Fuel, Wings · Boeing 747-100B SUD Series, 747-200B Series, 747-200C Series and 6 more. Effective Jul 11, 2022
- [AD 2021-17-06](https://openairdocs.org/ad/2021-17-06): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Oct 5, 2021
- [AD 2021-08-04](https://openairdocs.org/ad/2021-08-04): Oxygen · Boeing 737-200 Series, 737-300 Series, 737-400 Series and 23 more. Effective May 26, 2021
- [AD 2021-06-10](https://openairdocs.org/ad/2021-06-10): Fuel · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 16 more. Effective Apr 28, 2021
- [AD 2020-21-16](https://openairdocs.org/ad/2020-21-16): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jan 14, 2021
- [AD 2020-15-14](https://openairdocs.org/ad/2020-15-14): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Sep 3, 2020
- [AD 2020-14-02](https://openairdocs.org/ad/2020-14-02): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jul 28, 2020
- [AD 2020-07-14](https://openairdocs.org/ad/2020-07-14): Fuel · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective May 18, 2020
- [AD 2018-23-12](https://openairdocs.org/ad/2018-23-12): Equipment/furnishings · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 180 more. Effective Dec 28, 2018
- [AD 2018-19-23](https://openairdocs.org/ad/2018-19-23): Doors · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 15 more. Effective Nov 7, 2018
- [AD 2018-16-06](https://openairdocs.org/ad/2018-16-06): Equipment/furnishings; 53, Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Sep 12, 2018
- [AD 2018-04-07](https://openairdocs.org/ad/2018-04-07): Fuselage; Nacelles/Pylons; Stabilizers; Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Mar 30, 2018
- [AD 2017-18-06](https://openairdocs.org/ad/2017-18-06): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Oct 5, 2017
- [AD 2016-26-07](https://openairdocs.org/ad/2016-26-07): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Feb 15, 2017
- [AD 2016-25-05](https://openairdocs.org/ad/2016-25-05): Stabilizers · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jan 25, 2017
- [AD 2016-19-03](https://openairdocs.org/ad/2016-19-03): Fuel · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Oct 31, 2016
- [AD 2016-16-10](https://openairdocs.org/ad/2016-16-10): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Sep 14, 2016
- [AD 2016-06-07](https://openairdocs.org/ad/2016-06-07): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Apr 22, 2016
- [AD 2016-04-18](https://openairdocs.org/ad/2016-04-18): Fuselage · Boeing 747-100 Series, 747-200B Series, 747-200C Series and 5 more. Effective Apr 5, 2016
- [AD 2016-04-02](https://openairdocs.org/ad/2016-04-02): Fuselage · Boeing 747-200C Series, 747-200F Series, 747-400 Series and 2 more. Effective Mar 24, 2016
- [AD 2016-01-04](https://openairdocs.org/ad/2016-01-04): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Feb 17, 2016
- [AD 2015-25-03](https://openairdocs.org/ad/2015-25-03): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Jan 28, 2016
- [AD 2015-22-01](https://openairdocs.org/ad/2015-22-01): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 6 more. Effective Dec 1, 2015
- [AD 2015-15-11](https://openairdocs.org/ad/2015-15-11): Fuselage · Boeing 747-100B Series, 747-100B SUD Series, 747-200B Series and 8 more. Effective Sep 1, 2015
- [AD 2015-14-09](https://openairdocs.org/ad/2015-14-09): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 11 more. Effective Aug 17, 2015
- [AD 2015-03-04](https://openairdocs.org/ad/2015-03-04): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Mar 25, 2015
- [AD 2014-24-05](https://openairdocs.org/ad/2014-24-05): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 6 more. Effective Jan 28, 2015
- [AD 2014-22-11](https://openairdocs.org/ad/2014-22-11): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-200B Series and 5 more. Effective Dec 17, 2014
- [AD 2014-20-07](https://openairdocs.org/ad/2014-20-07): Fuselage · Boeing 747-200C Series and 747-200F Series. Effective Nov 7, 2014
- [AD 2014-17-02](https://openairdocs.org/ad/2014-17-02): Communications · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 137 more. Effective Sep 9, 2014
- [AD 2014-15-14](https://openairdocs.org/ad/2014-15-14): Fuel · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Sep 9, 2014
- [AD 2014-14-03](https://openairdocs.org/ad/2014-14-03): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jul 15, 2014
- [AD 2014-05-27](https://openairdocs.org/ad/2014-05-27): Navigation · Airbus A319-111, A319-112, A319-113 and 99 more. Effective May 2, 2014
- [AD 2013-26-12](https://openairdocs.org/ad/2013-26-12): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Feb 10, 2014
- [AD 2013-24-18](https://openairdocs.org/ad/2013-24-18): Nacelles/Pylons · Boeing 747-200B Series, 747-200C Series, 747-200F Series and 2 more. Effective Jan 21, 2014

### Matched by engine (Pratt & Whitney JT9D series)

- [AD 2021-09-10](https://openairdocs.org/ad/2021-09-10): Turbine Engine Compressor Section · Pratt & Whitney JT9D-20, JT9D-20J, JT9D-3A and 17 more. Effective May 27, 2021
- [AD 2012-06-14](https://openairdocs.org/ad/2012-06-14): HPT 1st stage air seals · Pratt & Whitney Division JT9D-7R4G2 and JT9D-7R4H1. Effective Apr 27, 2012
- [AD 2011-25-10](https://openairdocs.org/ad/2011-25-10): High-pressure compressor (HPC) shafts · Pratt & Whitney Division JT9D-7R4H1. Effective Jan 17, 2012
- [AD 2009-10-01](https://openairdocs.org/ad/2009-10-01): High-pressure turbine (HPT) vane assemblies · Pratt & Whitney Division JT9D-7R4E1, JT9D-7R4E4, JT9D-7R4G2 and 1 more. Effective May 18, 2009
- [AD 2009-04-18](https://openairdocs.org/ad/2009-04-18): 2nd stage high pressure turbine (HPT) · Pratt & Whitney Division JT9D-7, JT9D-7A, JT9D-7AH and 3 more. Effective May 5, 2009
- [AD 2007-18-06](https://openairdocs.org/ad/2007-18-06): Inspection of the blade root thickness · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective Oct 5, 2007
- [AD 2005-05-13](https://openairdocs.org/ad/2005-05-13): High pressure turbine (HPT) second stage airseals · Pratt & Whitney Division JT9D-59A, JT9D-70A, JT9D-7Q and 1 more. Effective Apr 14, 2005
- [AD 2004-10-01](https://openairdocs.org/ad/2004-10-01): 6th Stage Low Pressure Turbine (LPT) Air Seals · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 6 more. Effective Jun 15, 2004
- [AD 2004-01-08](https://openairdocs.org/ad/2004-01-08): One-piece fan case shield · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective Feb 10, 2004
- [AD 2003-24-12 R1](https://openairdocs.org/ad/2003-24-12-R1): Gearbox Pressure Tube · Pratt & Whitney Division JT9D-3A, JT9D-7, JT9D-7A and 4 more. Effective Dec 18, 2003
- [AD 2002-07-04](https://openairdocs.org/ad/2002-07-04): Low Pressure Turbine (LPT) 5th Stage Disks · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective May 14, 2002
- [AD 2001-17-30](https://openairdocs.org/ad/2001-17-30): High Pressure Turbine 1st Stage Disk Aft Lugs · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective Oct 4, 2001
- [AD 2001-04-11](https://openairdocs.org/ad/2001-04-11): High Pressure Turbine (HPT) Disks · Pratt & Whitney Division JT9D-20, JT9D-7, JT9D-7A and 7 more. Effective May 7, 2001
- [AD 2000-23-14](https://openairdocs.org/ad/2000-23-14): No. 4 Bearing Area · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 11 more. Effective Jan 19, 2001
- [AD 98-21-22 R1](https://openairdocs.org/ad/98-21-22-R1): High Pressure Compressor Disks · Pratt & Whitney Division JT9D-59A, JT9D-70A, JT9D-7Q and 8 more. Effective Jan 18, 2000
- [AD 99-20-04](https://openairdocs.org/ad/99-20-04): High Pressure Turbine Disks · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective Oct 29, 1999
- [AD 99-14-08](https://openairdocs.org/ad/99-14-08): Pratt & Whitney Division JT9D-59A, JT9D-70A, JT9D-7Q and 1 more. Effective Sep 13, 1999
- [AD 99-15-02](https://openairdocs.org/ad/99-15-02): Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 6 more. Effective Aug 16, 1999
- [AD 99-11-09](https://openairdocs.org/ad/99-11-09): Diffuser Case Rear Rail · Pratt & Whitney Division JT9D-59A, JT9D-70A, JT9D-7Q and 1 more. Effective Jul 26, 1999
- [AD 99-04-05](https://openairdocs.org/ad/99-04-05): Rear Skirt Ddiffuser Case Inspection · Pratt & Whitney Division JT9D-59A, JT9D-70A, JT9D-7Q and 1 more. Effective Apr 12, 1999
- [AD 97-25-10 R1](https://openairdocs.org/ad/97-25-10-R1): (HPT) Disks · Pratt & Whitney Division JT9D-59A, JT9D-70A, JT9D-7Q and 5 more. Effective Jul 29, 1998
- [AD 96-25-10](https://openairdocs.org/ad/96-25-10): Design Turbine Exhaust Case · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 17 more. Effective Feb 18, 1997
- [AD 96-17-11](https://openairdocs.org/ad/96-17-11): Low pressure turbine (LPT) vane · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective Nov 18, 1996
- [AD 93-19-02 R1](https://openairdocs.org/ad/93-19-02-R1): Diffuser Cases · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 6 more. Effective Oct 17, 1994
- [AD 94-15-16](https://openairdocs.org/ad/94-15-16): Engine Control System Accessories · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 9 more. Effective Oct 14, 1994
- [AD 94-08-06](https://openairdocs.org/ad/94-08-06): Fan Blade · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective Jul 5, 1994
- [AD 93-15-04](https://openairdocs.org/ad/93-15-04): Fuel Nozzle And Support Assembly · Pratt & Whitney Division JT9D-59A, JT9D-70A, JT9D-7Q and 1 more. Effective Nov 19, 1993
- [AD 93-14-20](https://openairdocs.org/ad/93-14-20): Vane Cluster Assembly · Pratt & Whitney Division JT9D-59A, JT9D-70A, JT9D-7Q and 1 more. Effective Aug 27, 1993
- [AD 91-03-03](https://openairdocs.org/ad/91-03-03): High Pressure Compressor Turbine Driveshaft · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective Feb 22, 1991
- [AD 90-23-19](https://openairdocs.org/ad/90-23-19): Air Seal · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 13 more. Effective Nov 23, 1990
- [AD 90-15-11](https://openairdocs.org/ad/90-15-11): Fuel Control Unit · Pratt & Whitney Division JT9D-7R4D1, JT9D-7R4E1 and JT9D-7R4H1. Effective Jul 16, 1990
- [AD 90-14-08](https://openairdocs.org/ad/90-14-08): High Pressure Compressor · Pratt & Whitney Division JT9D-7R4D and JT9D-7R4E. Effective Jul 2, 1990
- [AD 87-23-05 R1](https://openairdocs.org/ad/87-23-05-R1): Fan Case Assembly · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective Mar 23, 1990
- [AD 89-10-07](https://openairdocs.org/ad/89-10-07): Strut Insert Assembly · Pratt & Whitney Division JT9D-20, JT9D-3A, JT9D-7 and 5 more. Effective May 30, 1989
- [AD 88-24-05](https://openairdocs.org/ad/88-24-05): Inner Airseal · Pratt & Whitney Division JT9D-20, JT9D-3A, JT9D-7 and 5 more. Effective Dec 15, 1988
- [AD 86-09-01 R1](https://openairdocs.org/ad/86-09-01-R1): Turbine Vane Antirotation Pin Failure · Pratt & Whitney Division JT9D-20, JT9D-3A, JT9D-59A and 9 more. Effective Jul 6, 1988
- [AD 86-25-51](https://openairdocs.org/ad/86-25-51): Low Altitude Surges · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 3 more. Effective Mar 20, 1987
- [AD 86-23-03](https://openairdocs.org/ad/86-23-03): Second Stage High Pressure Turbine Rotor (HPTR) Airseal · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 1 more. Effective Dec 8, 1986
- [AD 86-10-01](https://openairdocs.org/ad/86-10-01): Second Stage Turbine Disk · Pratt & Whitney Division JT9D-3A. Effective Jun 5, 1986
- [AD 86-07-12](https://openairdocs.org/ad/86-07-12): Engine Support Clevis · Pratt & Whitney Division JT9D-7R4G2. Effective Apr 11, 1986
- [AD 86-03-03](https://openairdocs.org/ad/86-03-03): Fuel Nozzle Flow And Spray Cone Angle · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4E and JT9D-7R4E4. Effective Mar 14, 1986
- [AD 85-12-02](https://openairdocs.org/ad/85-12-02): Centrifugal Oil Filter (COF) Bearings · Pratt & Whitney Division JT9D-3A, JT9D-7, JT9D-7A and 4 more. Effective Jul 17, 1985
- [AD 83-22-52 R1](https://openairdocs.org/ad/83-22-52-R1): Refurbishing Fuel Nozzles · Pratt & Whitney Division JT9D-7R4D, JT9D-7R4D1, JT9D-7R4E and 4 more. Effective Feb 21, 1984
- [AD 82-26-03](https://openairdocs.org/ad/82-26-03): Manifold Assembly · Pratt & Whitney Division JT9D-7, JT9D-7A, JT9D-7AH and 3 more. Effective Jan 27, 1983
- [AD 82-16-10](https://openairdocs.org/ad/82-16-10): Fan Exit Case Assembly · Pratt & Whitney Division JT9D-20. Effective Aug 16, 1982
- [AD 74-10-05 R1](https://openairdocs.org/ad/74-10-05-R1): Turbine Nozzle Guide Vane · Pratt & Whitney Division JT9D-20, JT9D-7 and JT9D-7A. Effective Nov 17, 1980
- [AD 78-08-13](https://openairdocs.org/ad/78-08-13): Main Gearbox · Pratt & Whitney Division JT9D-3A, JT9D-7, JT9D-7A and 4 more. Effective Apr 18, 1980
- [AD 78-16-05](https://openairdocs.org/ad/78-16-05): Sixth Stage Turbine Disks · Pratt & Whitney Division JT9D-20, JT9D-20J, JT9D-3A and 17 more. Effective Sep 12, 1978
- [AD 78-17-08](https://openairdocs.org/ad/78-17-08): Fifteenth Stage Compressor Disks · Pratt & Whitney Division JT9D-20, JT9D-3A, JT9D-7 and 5 more. Effective Sep 1, 1978
- [AD 76-20-03](https://openairdocs.org/ad/76-20-03): Seal Clearances · Pratt & Whitney Division JT9D-20, JT9D-3A, JT9D-7 and 4 more. Effective Nov 16, 1977

### Historical (superseded or no longer in force)

- [AD 2025-01-08](https://openairdocs.org/ad/2025-01-08) (historical): Equipment/furnishings · Boeing 747-200B Series, 747-200C Series, 747-200F Series and 6 more. Effective Mar 19, 2025
- [AD 2022-06-16](https://openairdocs.org/ad/2022-06-16) (historical): Navigation · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 7 more. Effective Mar 16, 2022
- [AD 2021-07-09](https://openairdocs.org/ad/2021-07-09) (historical): Air conditioning · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective May 12, 2021
- [AD 2021-02-15](https://openairdocs.org/ad/2021-02-15) (historical): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Mar 30, 2021
- [AD 2019-22-02](https://openairdocs.org/ad/2019-22-02) (historical): Equipment/ furnishings · Boeing 747-200B Series, 747-200C Series, 747-200F Series and 6 more. Effective Jan 16, 2020
- [AD 2017-18-05](https://openairdocs.org/ad/2017-18-05) (historical): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Oct 5, 2017
- [AD 2014-07-01](https://openairdocs.org/ad/2014-07-01) (historical): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jun 3, 2014
- [AD 2013-23-03](https://openairdocs.org/ad/2013-23-03) (historical): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Nov 29, 2013
- [AD 2013-18-09](https://openairdocs.org/ad/2013-18-09) (historical): Communications · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 137 more. Effective Oct 3, 2013
- [AD 2013-01-02](https://openairdocs.org/ad/2013-01-02) (historical): Doors · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 12 more. Effective Feb 22, 2013
- [AD 2012-13-08](https://openairdocs.org/ad/2012-13-08) (historical): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-200B Series and 5 more. Effective Aug 14, 2012
- [AD 2012-05-03](https://openairdocs.org/ad/2012-05-03) (historical): Wings · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Apr 24, 2012
- [AD 2010-26-10](https://openairdocs.org/ad/2010-26-10) (historical): Fuselage · Boeing 747-200C Series, 747-200F Series, 747-400 Series and 2 more. Effective Feb 1, 2011
- [AD 2010-20-08](https://openairdocs.org/ad/2010-20-08) (historical): Fuselage · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Nov 9, 2010
- [AD 2010-03-05](https://openairdocs.org/ad/2010-03-05) (historical): Fuselage · Boeing 747-200C Series and 747-200F Series. Effective Mar 11, 2010
- [AD 2009-21-10](https://openairdocs.org/ad/2009-21-10) (historical): Oxygen · Airbus A300, Model B4-605R, A300, Model B4-620, A300, Model B4-622 and 138 more. Effective Dec 17, 2009
- [AD 2009-22-08](https://openairdocs.org/ad/2009-22-08) (historical): Control switches · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 12 more. Effective Dec 3, 2009
- [AD 2009-14-02](https://openairdocs.org/ad/2009-14-02) (historical): Vertical stabilizer seal and fuselage skin · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Aug 3, 2009
- [AD 2009-06-02](https://openairdocs.org/ad/2009-06-02) (historical): Detect and correct cracks in the fuselage skin that can propagate and grow, resulting in a loss of structural integrity and a sudden decompression of the airplane during flight. · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 7 more. Effective Apr 20, 2009
- [AD 2008-10-07](https://openairdocs.org/ad/2008-10-07) (historical): Fuel tank systems · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 6 more. Effective Jun 12, 2008
- [AD 2008-10-15](https://openairdocs.org/ad/2008-10-15) (historical): External skin doublers · Boeing 747-100 Series, 747-100B Series, 747-200B Series and 5 more. Effective May 20, 2008
- [AD 2007-19-19](https://openairdocs.org/ad/2007-19-19) (historical): Forward engine mount · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 6 more. Effective Oct 9, 2007
- [AD 2007-16-08](https://openairdocs.org/ad/2007-16-08) (historical): Cracking of the station 800 frame assembly · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 6 more. Effective Sep 13, 2007
- [AD 2007-15-10](https://openairdocs.org/ad/2007-15-10) (historical): No. 2 and No. 3 windows · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Sep 4, 2007
- [AD 2007-07-03](https://openairdocs.org/ad/2007-07-03) (historical): Trim air diffuser ducts or sidewall riser duct assemblies · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective May 2, 2007
- [AD 2007-01-15](https://openairdocs.org/ad/2007-01-15) (historical): Strut front spar chord assembly · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 6 more. Effective Jan 29, 2007
- [AD 2006-22-15](https://openairdocs.org/ad/2006-22-15) (historical): Nose wheel well (NWW) · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Dec 11, 2006
- [AD 2006-12-12](https://openairdocs.org/ad/2006-12-12) (historical): Station 800 frame assembly · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 6 more. Effective Jul 17, 2006
- [AD 2006-10-04](https://openairdocs.org/ad/2006-10-04) (historical): Left and right longeron extension fittings · Boeing 747-200B Series, 747-200C Series, 747-200F Series and 3 more. Effective Jun 16, 2006
- [AD 2006-08-02](https://openairdocs.org/ad/2006-08-02) (historical): Upper deck floor beams · Boeing 747-200C Series and 747-200F Series. Effective May 17, 2006
- [AD 2006-05-09](https://openairdocs.org/ad/2006-05-09) (historical): Lap joints of the fuselage skin · Boeing 747-200C Series, 747-200F Series, 747-400 Series and 2 more. Effective Apr 13, 2006
- [AD 2006-05-06](https://openairdocs.org/ad/2006-05-06) (historical): Body station (BS) 2598 bulkhead · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Apr 13, 2006
- [AD 2006-05-02](https://openairdocs.org/ad/2006-05-02) (historical): Fuselage internal structure · Boeing 747-200C Series, 747-200F Series, 747-400 Series and 2 more. Effective Apr 6, 2006
- [AD 2006-01-07](https://openairdocs.org/ad/2006-01-07) (historical): Tension tie · Boeing 747-100 Series, 747-100B Series, 747-200B Series and 5 more. Effective Feb 16, 2006
- [AD 2005-19-06](https://openairdocs.org/ad/2005-19-06) (historical): Thrust links of the rear engine mounts · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 6 more. Effective Sep 30, 2005
- [AD 2005-16-06](https://openairdocs.org/ad/2005-16-06) (historical): Escape slides/rafts. · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Sep 13, 2005
- [AD 2005-04-51](https://openairdocs.org/ad/2005-04-51) (historical): Body skin between body stations (BS) 420 and 460 · Boeing 747-100B SUD Series, 747-200B Series, 747-200C Series and 2 more. Effective Mar 9, 2005
- [AD 2005-01-09](https://openairdocs.org/ad/2005-01-09) (historical): Frame Web and Inner Chords on Forward Edge Frame of Number 5 Main Entry Door Cutout · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Feb 11, 2005
- [AD 2004-25-05](https://openairdocs.org/ad/2004-25-05) (historical): Strut front spar chord assembly · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 6 more. Effective Dec 27, 2004
- [AD 2004-03-11](https://openairdocs.org/ad/2004-03-11) (historical): Upper deck floor beams · Boeing 747-200C Series and 747-200F Series. Effective Mar 15, 2004
- [AD 2003-19-08](https://openairdocs.org/ad/2003-19-08) (historical): Discrepancies of Forward and Aft Sides of Body Station 2598 Bulkhead · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Oct 27, 2003
- [AD 2003-20-08](https://openairdocs.org/ad/2003-20-08) (historical): Shoulder restraint harness · Boeing 747-100B Series, 747-200B Series, 747-200C Series and 8 more. Effective Oct 21, 2003
- [AD 2003-13-09](https://openairdocs.org/ad/2003-13-09) (historical): Horizontal stabilizer and rear spar structure · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Jul 15, 2003
- [AD 2003-08-11](https://openairdocs.org/ad/2003-08-11) (historical): Trailing edge flap actuator · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective May 8, 2003
- [AD 2003-03-15](https://openairdocs.org/ad/2003-03-15) (historical): Airplane Flight Manual (AFM) - Oxygen Masks · Boeing 707 Series (all), 720 Series (all), 727 Series (all) and 75 more. Effective Mar 7, 2003
- [AD 2002-06-02](https://openairdocs.org/ad/2002-06-02) (historical): Horizontal Stabilizer Center Section and Rear Spar Upper Chord · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Apr 3, 2002
- [AD 2001-24-02](https://openairdocs.org/ad/2001-24-02) (historical): Shoulder Restraint Harness Attachment · Boeing 707-100 Long Body, 707-100B Long Body, 707-300 Series (all) and 20 more. Effective Jan 4, 2002
- [AD 2001-16-02](https://openairdocs.org/ad/2001-16-02) (historical): Number 5 Main Entry Door Cutout · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 8 more. Effective Sep 12, 2001
- [AD 2001-14-22](https://openairdocs.org/ad/2001-14-22) (historical): Station 800 Frame Assembly · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 3 more. Effective Aug 30, 2001
- [AD 2001-15-03](https://openairdocs.org/ad/2001-15-03) (historical): Forward Inner Chord of the Upper Corner of Station 2598 Bulkhead · Boeing 747-100 Series, 747-100B Series, 747-100B SUD Series and 9 more. Effective Aug 28, 2001

All 608: https://openairdocs.org/aircraft/N471EV/ads.md

## Information bulletins (advisory) (14 in force)

- [SAIB NM-17-10](https://openairdocs.org/saib/NM-17-10): Maintenance Practices. Issued Apr 13, 2017
- [SAIB NM-15-03](https://openairdocs.org/saib/NM-15-03): Flight Controls. Issued Nov 24, 2014
- [SAIB NM-15-02](https://openairdocs.org/saib/NM-15-02): Cabin Equipment/Furnishings. Issued Nov 6, 2014
- [SAIB NM-09-27](https://openairdocs.org/saib/NM-09-27): Equipment/Furnishings:  In-flight access to Class E cargo compartments. Issued May 12, 2009
- [SAIB NM-09-03](https://openairdocs.org/saib/NM-09-03): Engine Fuel and Control - Implementing Fuel Tank System Airworthiness Limitations. Issued Dec 11, 2008
- [SAIB NM-06-57](https://openairdocs.org/saib/NM-06-57): Reports of damage to airplanes and to property on the ground caused by blue or clear ice falling from airplanes.. Issued Jul 27, 2006
- [SAIB ANM-99-29](https://openairdocs.org/saib/ANM-99-29): . Issued Jul 2, 1999
- [SAIB NE-07-41](https://openairdocs.org/saib/NE-07-41): Pratt & Whitney (P&W) JT9D HPT 2nd Stage Vane/Disk Failures. Issued Aug 3, 2007
- [SAIB NE-04-51](https://openairdocs.org/saib/NE-04-51): . Issued Feb 12, 2004
- [SAIB NE-04-44](https://openairdocs.org/saib/NE-04-44): . Issued Jan 14, 2004
- [SAIB NE-02-30](https://openairdocs.org/saib/NE-02-30): . Issued Jun 3, 2002
- [SAIB NE-02-21](https://openairdocs.org/saib/NE-02-21): . Issued Mar 15, 2002
- [SAIB NE-02-01](https://openairdocs.org/saib/NE-02-01): . Issued Oct 5, 2001
- [SAIB ANE-97-03](https://openairdocs.org/saib/ANE-97-03): . Issued Apr 25, 1997

## NTSB investigations

None matched to N471EV.

## FAA accident and incident reports (3)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20121127026299I](https://openairdocs.org/incident/20121127026299I), Nov 27, 2012: Boeing 747-273C (N471EV), Minor damage. Hard landing -- which resulted in damage to inboard flap hardware, and right inboard ailerons.
- [Incident 20030625011829I](https://openairdocs.org/incident/20030625011829I), Jun 25, 2003: Boeing 747273C (N471EV), New York, NY, Substantial damage. (-23) Evergreen international airlines (eiaa) June 25, 2003 #1 engine, fire and in-flight shutdown. 06/25/2003, in flight shut down/diversion to jfk airport…
- [Incident 19890110007519I](https://openairdocs.org/incident/19890110007519I), Jan 10, 1989: Boeing 747273C (N471EV), Baltimore, MD, Minor damage. While wing walker and pilot directed attention to port side,opposite wingtip struck loader. Limited maneuvering area

## Service difficulty reports (366, newest 50)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR EIAA20121127094](https://openairdocs.org/sdr/EIAA20121127094), Nov 27, 2012: CONTROL ROD. BROKEN. RIGHT INBD AFT FLAP ELEMENT CONTROL ROD IS BROKEN. LEFT INBD FLAP OUTBOARD CANOE HAS A LARGE HOLE. ACCOMPLISHED INSP REF MM 5-51-05 PHASE I AND PHASE II DAMAGE 
- [SDR EIAA20120831065](https://openairdocs.org/sdr/EIAA20120831065), Aug 31, 2012: BATTERY PACK. FAILED. EMERGENCY LIGHT PASSENGER ROW 1 INOPERATIVE. REPLACED BATTERY PACK.
- [SDR EIAA20120731057](https://openairdocs.org/sdr/EIAA20120731057), Jul 31, 2012: FUSE. BLOWN. REF DMI 766 MAIN DECK STA 340 RT CEILING EMERGENCY LIGHT INOP. REMOVED AND REPLACED POWER SUPPLY FUSE, OPS CHECK GOOD PER B747 MM 33-51-07 DMI 766. CLEARED PLAC
- [SDR EIAA20120719056](https://openairdocs.org/sdr/EIAA20120719056), Jul 19, 2012: FUSE. BLOWN. DURING PREFLIGHT, EMERGENCY LIGHT AT RIGHT SERVICE DOOR INOP / INTERMITTENT. SWAPPED EMERGENCY RIGHT U/D & EMERGENCY DOOR TO MAIN DECK, CEILING LIGHT RIGHT STA 
- [SDR EIAA20120625051](https://openairdocs.org/sdr/EIAA20120625051), Jun 23, 2012: FUSE. INOPERATIVE. RIGHT EMERGENCY EXIT SIGN, OVER CREW ESCAPE DOOR INOPERATIVE. REMOVED AND REPLACED BLOWN FUSE ON BATTERY PACK ASSY, OPS CHECKED OK PER MM 33-51-00/501.
- [SDR EIAA20120511044](https://openairdocs.org/sdr/EIAA20120511044), May 11, 2012: BULKHEAD. SCRATCHED. HEAVY SCRATCH AFT PRESURE BULKHEAD BS 2360 AFT SIDE OF WEB WL 245 BL 21.00. REMOVED DAMAGE FABBED AND INSTALLED REPAIR PER B747 SRM 53-10-04 FIG 38.
- [SDR EIAA20120511043](https://openairdocs.org/sdr/EIAA20120511043), May 11, 2012: LIGHT. INOPERATIVE. EMERGENCY LIGHT OUT AT BS 740. REMOVED AND REPLACED LIGHT ASSY PER B747 MM 33-51-07 PG 201 STEP 3A-T. OP'S CHECK GOOD.
- [SDR EIAA20120511042](https://openairdocs.org/sdr/EIAA20120511042), May 11, 2012: LIGHT. INOPERATIVE. EMERGENCY LIGHT OUT AT BS 580. REMOVED AND REPLACED LIGHT ASSY PER B747 MM 33-51-07 PG 201 STEP 3A-T. OP'S CHECK GOOD.
- [SDR EIAA20120326023](https://openairdocs.org/sdr/EIAA20120326023), Mar 24, 2012: BATTERY PACK. DISCHARGED. UPPER DECK STAIRWELL LIGHT CREW ESCAPE EXIT SIGN INOP (EMERGENCY LIGHT). BATTERY IS LOW AT 2.5 VDC. BATTERY ON ORDER MR H15522. REMOVED AND REPLACED BATTERY PAC
- [SDR EIAA20120317013](https://openairdocs.org/sdr/EIAA20120317013), Mar 17, 2012: WARNING SYSTEM. ACTIVATED. ON DESCENT, THE DOOR OPEN LIGHT CAME ON FOR THE NOSE GEAR NUMEROUS TIMES.
- [SDR EIAA20111228264](https://openairdocs.org/sdr/EIAA20111228264), Dec 28, 2011: LINE. LEAKING. TOTAL LOSS OF NR 4 HYDRAULIC SYSTEM AND GROUND SAFETY RELAY LIGHT ILLUMINATED, MULTIPLE GEAR TILT ISSUES, AURAL WARNING, AND LANDING GEAR LEVER LOCK ENGAGED. RE
- [SDR EIAA2011153](https://openairdocs.org/sdr/EIAA2011153), Aug 22, 2011: WIRE. DAMAGED. UPON GEAR RETRACTION UNSAFE WARNING HORN SOUNDED, RED GEAR LIGHT ILLUMINATED AND RT BODY TILT ACT ON F/E'S PANEL. AFTER TIME AURAL WARNING CB PULLED TO SILENCE 
- [SDR EIAA2011149](https://openairdocs.org/sdr/EIAA2011149), Aug 22, 2011: GARLOCK SEAL. LEAKING. NR 4 ENGINE SHUT DOWN IN FLIGHT. FOUND CSD GARLOCK SEAL TO BE LEAKING. REMOVED CSD AND GENERATOR, INSTALLED DISPATCH KIT PER B747 MM 24-11-00. RAN NR 4 ENGINE F
- [SDR EIAA2011151](https://openairdocs.org/sdr/EIAA2011151), Aug 22, 2011: CIRCUIT CARD. NOT SEATED. UPON GEAR RETRACTION, UNSAFE WARNING HORN SOUNDED. NO INDICATOR LIGHT ON F/E PANEL. PERFORM OPS. T/S OF AURAL WARNING SYSTEM PER B747 MM 31-06-00 RESEATED A3 CA
- [SDR EIAA2011152](https://openairdocs.org/sdr/EIAA2011152), Aug 20, 2011: WARNING SYSTEM. FALSE ACTIVATION. UPON GEAR RETRACTION UNSAFE GEAR HORN GOES OFF UNTIL GEAR IS FULLY RETRACTED. PERFORMED OPS CHECK FOR LANDING GEAR INDICATION AND WARNING PER B747 MM 32-61-00. 
- [SDR EIAA2011147](https://openairdocs.org/sdr/EIAA2011147), Aug 17, 2011: MODULE. DEFECTIVE. INTERMITTENT QUICK AURAL WARNING WITH FLASH OF FIRE WARNING. ALL ENG FIRE TEST AND NACELLE TEMPS NORMAL. ALL SMOKE TEST NORMAL. REMOVED AND REPLACED AURAL WARNI
- [SDR EIAA2011062](https://openairdocs.org/sdr/EIAA2011062), Jun 20, 2011: WARNING SYSTEM. FALSE ACTIVATION. DURING CRUISE THE RED LANDING GEAR DOOR LIGHT ILLUMINATES INTERMITTENTLY. THE FE PANEL INDICATES A PRIMARY RIGHT WING DOOR OPEN. BOTH LIGHTS EXTINGUISHED AT SAM
- [SDR EIAA2011034](https://openairdocs.org/sdr/EIAA2011034), Apr 1, 2011: FLOORBEAM. DAMAGED. BS 500 U/D FLOORBEAM CHORD HAS 8 EACH LT AND 8 EACH RT HOLES COMMON TO FRAME LOCATION BEYOND SRM LIMITS. REMOVED DISCREPANT HOLES FABBED AND INSTALLED REPAIRS P
- [SDR EIAA2011033](https://openairdocs.org/sdr/EIAA2011033), Mar 30, 2011: FIRESHIELD. TORN. NR 2 PYLON I/B SKIRT FIRE SHIELD TORN NAC 180-237 AND PREVIOUS REPAIR GOUGED NAC 235-237. REMOVED DAMAGE, FABBED REPAIR PARTS AND INSTALLED PER ECRA 471-54-293-
- [SDR EIAA2011032](https://openairdocs.org/sdr/EIAA2011032), Mar 30, 2011: SKIN. TORN. NR 3 PYLON SKIN TORN NAC STA 190.0. REMOVED DAMAGE, FABBED REPAIR PARTS AND INSTALLED PER ECRA 471-54-293-2.
- [SDR EIAA2011031](https://openairdocs.org/sdr/EIAA2011031), Mar 28, 2011: BATTERY. DISCHARGED. THREE EACH EMERGENCY LIGHTS IN UPPER DECK 1 AT CREW SERVICE DOOR 1 AT BS 610RT AND 1 AT BS 730 BL 0 INOP. REPLACED BATTERIES IN ALL 3 LIGHTS PER B747 MM 33-51-0
- [SDR EIAA2011030](https://openairdocs.org/sdr/EIAA2011030), Mar 28, 2011: FLOORBEAM. CORRODED. MAIN DECK FLOORBEAM UPPER CHORD EXFOLIATION CORROSION BS 520 RBL 53. REMOVED DAMAGE AREA AND INSTALLED NEW SECTION OF FLOORBEAM PER B747 SRM 51-40-04 FIG 1 AND 
- [SDR EIAA 2011026](https://openairdocs.org/sdr/EIAA%202011026), Mar 14, 2011: BATTERY. DISCHARGED. MAIN DECK CEILING EMERGENCY LIGHTS AT STA 360 AND 575 INOP. REPLACED BATTERIES PER B747 MM 33-51-07 PG 201 OP'S CHECK GOOD PER B747 MM33-51-00 PG 503 STEP B.
- [SDR EIAA 2011024](https://openairdocs.org/sdr/EIAA%202011024), Mar 9, 2011: LIGHT. INOPERATIVE. EMERGENCY LIGHT INOP IN STAIRWELL DOME LIGHT. REMOVED AND REPLACED EMERGENCY LIGHT ASSY PER B747 MM 33-51-07 PG 201 OP'S CHECK GOOD.
- [SDR EIAA 2011023](https://openairdocs.org/sdr/EIAA%202011023), Mar 7, 2011: SKIN. DENTED. DENT IN FWD PIT DOOR SKIN 34.5 INCHES FROM BOTTOM OF DOOR AND 17 INCHES FROM AFT EDGE OF DOOR. REMOVED DAMAGE, FABRICATED DOUBLER AND INSTALLED PER B747 SRM 52-
- [SDR EIAA 2011022](https://openairdocs.org/sdr/EIAA%202011022), Mar 7, 2011: FRAME. GOUGED. INTERNAL EMPENNAGE BS 2460 LBL 31 INBOARD CHORD ON FRAME IS GOUGED UNDER ROD END THAT HOLDS APU DUCT CLAMP. FABRICATED AND INSTALLED REPAIR CHORD PER B747 SRM 5
- [SDR EIAA 2011021](https://openairdocs.org/sdr/EIAA%202011021), Mar 1, 2011: SKIN. BULGED. BS 440 STR.41L FUSELAGE SKIN BULGING AT EXISTING REPAIR. REMOVED DAMAGE FROM SKIN AND FRAME FABRICATED AND INSTALLED REPAIR PER B747 SRM 53-30-03 FIG 1 AND 53-1
- [SDR EIAA 2011019](https://openairdocs.org/sdr/EIAA%202011019), Feb 25, 2011: FLOORBEAM. DAMAGED. BS 496-535 LEFT BUTTOCK LINE 37 TO 44 WATER LINE 309 FLOORBEAM UPPER CHORD ENLONGATED HOLES AND CORROSION. REMOVED FABRICATED AND INSTALLED NEW UPPER CHORD PER 
- [SDR EIAA 2011017](https://openairdocs.org/sdr/EIAA%202011017), Feb 25, 2011: FLOORBEAM. DAMAGED. BS 440 UPPER DECK FLOORBEAM WEB HAS DAMAGED FASTENER HOLES AT RIGHT FRAME LOCATION. REMOVED AND REPLACED STA 440 UPPER DECK FLOORBEAM PER B747 SRM 53-10-07 FIG 
- [SDR EIAA 2011016](https://openairdocs.org/sdr/EIAA%202011016), Feb 25, 2011: SKIN. DENTED. DENT ON HORIZONTAL L/E NR 331 BZL. REMOVED DAMAGE, FABBED AND INSTALLED REPAIR PER B747 SRM 55-10-05 FIG 2.
- [SDR EIAA 2011018](https://openairdocs.org/sdr/EIAA%202011018), Feb 24, 2011: FLOORBEAM. DAMAGED. BS 440 UPPER DECK FLOORBEAM WEB HAS DAMAGED FASTENER HOLES AT LEFT FRAME LOCATION. REMOVED AND REPLACED STA 440 UPPER DECK FLOORBEAM WEB PER B747 SRM 53-10-07 F
- [SDR EIAA 2011015](https://openairdocs.org/sdr/EIAA%202011015), Feb 23, 2011: FLOORBEAM. CRACKED. UPPER DECK FLOORBEAM WEB AT BS 400 HAS CRACKED HOLE COMMON TO LT FRAME FAILSAFE CHORD FASTENER. FABBED AND INSTALLED REPAIR BS 400 UPPER FLOORBEAM WEB LBL 24 TO
- [SDR EIAA 2011014](https://openairdocs.org/sdr/EIAA%202011014), Feb 14, 2011: WEB. CORRODED. FWD CARGO PIT BS 660-670 AT STR 41R WEB HAS CORROSION. REMOVED, FABBED AND INSTALLED NEW WEB AT BS 660-670 STR 41R PER B747 SRM 51-30-02 PG 8-9 ITEM 7D, 51-30-0
- [SDR EIAA 2011013](https://openairdocs.org/sdr/EIAA%202011013), Feb 14, 2011: SKIN. CORRODED. CORROSION IN SKIN BS 670 BETWEEN STRINGER 41R AND 42R. REMOVED AND REPLACED SKIN AT BS 520-740 BETWEEN STRINGER 39R-44R PER B747 SRM 51-30-05 PG 5 AND 51-30-05 
- [SDR EIAA2011010](https://openairdocs.org/sdr/EIAA2011010), Feb 9, 2011: FRAME. CRACKED. NR 3 PYLON REAR ENGINE MOUNT BULKHEAD HAS ALL 4 FRAMES CRACK DAMAGE BEYOND LIMITS OF S/B 747-54A2202 FIG 12. REPLACED ALL 4 FRAMES PER B747 SRM 51-30-05 PG 6-9 
- [SDR EIAA2010054](https://openairdocs.org/sdr/EIAA2010054), Sep 4, 2010: METERING VALVE. FAILED. AIRCRAFT LANDED & THERMANLLED ALL TIRES ON LEFT SIDE OF AIRCRAFT. CAPTAINS REPORT INDICATES THAT THE TOWER REPORTED SMOKE AND FLAMES. PERFORMED HIGH ENERGY STOP
- [SDR EIAA2010052A](https://openairdocs.org/sdr/EIAA2010052A), Sep 4, 2010: TIRE. OVERHEATED. AIRCRAFT LANDED & THERMALLED ALL TIRES ON LEFT SIDE OF AIRCRAFT. CAPTAINS REPORT INDICATES THAT THE TOWER REPORTED SMOKE AND FLAME.
- [SDR EIAA2010074](https://openairdocs.org/sdr/EIAA2010074), Aug 20, 2010: CONNECTOR. NOT SEATED. EMERGENCY LIGHTS WHEN IN ARMED POSITION ILLUM. RIGHT OVERHEAD LIGHT IN AFT FLT DECK & UPPER DECK CEILING LIGHT NEAR CREW SERVICE DOOR. RE-SEATED SWITCH CONTROL 
- [SDR EIAA2010048A](https://openairdocs.org/sdr/EIAA2010048A), Aug 18, 2010: CARTRIDGE. FALSE ACTIVATION. DURING POST FLIGHT EMERGENCY LIGHT SWITCH TESTED TO ON, THEN BACK TO ARMED EMERGENCY LIGHTS STAYED ILLUMINATED. SYS OP'S CHECKED UPPER DECK CREW ESCAPE DOOR LIG
- [SDR EIAA2010048](https://openairdocs.org/sdr/EIAA2010048), Aug 18, 2010: LIGHT. MALFUNCTIONED. DURING POST FLIGHT EMERGENCY LIGHT SWITCH TESTED TO ON, THEN BACK TO ARMED EMERGENCY LIGHTS STAYED ILLUMINATED. SYS OP'S CHECKED UPPER DECK CREW ESCAPE DOOR LIG
- [SDR EIAA2010073](https://openairdocs.org/sdr/EIAA2010073), Aug 17, 2010: LIGHT. INTERMITTENT. EMERGENCY LIGHT IN LIGHT ASSY OVER UPPER DECK STAIRWELL FLICKERED ON AND OFF WITH SWITCH IN ARM POSITION. REMOVED AND REPLACED EMERGENCY LIGHT OVER UPPER DECK S
- [SDR EIAA2010072](https://openairdocs.org/sdr/EIAA2010072), Aug 17, 2010: CONNECTOR. NOT SEATED. DURING CRUISE, FLT EMERGENCY EXIT LIGHTS CAME ON. EMERGENCY LIGHTS SWITCH WAS IN ARMED POSITION. THERE WAS NO LOSS OF ECS PC POWER. RE-SEATED SWITCH CONTROL PAN
- [SDR EIAA2010071](https://openairdocs.org/sdr/EIAA2010071), Aug 12, 2010: WIRE. DAMAGED. ON SECURING KSUU, EMERGENCY LIGHTS REMAINED OFF WITH EMERGENCY LIGHT SWITCH SELECTED TO ON. REPAIRED WIRES L5155, L5156 AND L5157 PER WDM 33-51-00 AND SWPM 20-6
- [SDR EIAA2010060](https://openairdocs.org/sdr/EIAA2010060), Aug 1, 2010: SOCKET. DAMAGED. EMERGENCY LIGHTS STAY ON IN ARMED POSITION. FOUND SOCKET FOR CONNECTOR TO EMERGENCY LIGHT MODULE PIN 13 (GROUND) WITH NUMEROUS BROKEN STRANDS. RE-PINNED PER SWP
- [SDR EIAA2010015](https://openairdocs.org/sdr/EIAA2010015), Apr 2, 2010: STRUCTURE. CORRODED. LEFT WING FWD SPAR LOWER CHORD AT F550/1512 HAS CORROSION CHORD TO WEB. REMOVED DAMAGE, FABBED AND INSTALLED REPAIR PER ECRA 471-57-272-2.
- [SDR EIAA2010014](https://openairdocs.org/sdr/EIAA2010014), Apr 2, 2010: SKIN. DAMAGED. LEFT WING LEADING EDGE SPAR AT F550/1512 HAS EXFOLIATION LIFTING UPPER SKIN. REMOVED DAMAGE, FABBED AND INSTALLED REPAIR PER ECRA 471-57-272-2.
- [SDR EIAA200900115](https://openairdocs.org/sdr/EIAA200900115), Oct 16, 2009: CASTING. DAMAGED. NUMBER 6 SPOILER CASTING ON FALSE SPAR DAMAGED FROM ACTUATOR IMPACT. REMOVED AND REPLACED CASTING FITTING PER B747 SRM 51-30-02 PG 6-8 AND ECRA 471-57-271-2.
- [SDR EIAA20090088](https://openairdocs.org/sdr/EIAA20090088), Jul 16, 2009: ACTUATOR. MALFUNCTIONED. DURING DIVERSION TO JFK AT 15000FT SMOKE AND FUMES DEVELOPED IN THE COCKPIT. ACCOMPLISHED A/C SMOKE ABNORMAL C/L. SMOKE DISSIPATED AFTER CLOSING NR 4 ENGINE BLE
- [SDR EIAA200900086](https://openairdocs.org/sdr/EIAA200900086), Jul 7, 2009: A/C PACK. ODOR. LIGHT SMOKE AND OILY SMELLING FUMES IN COCKPIT ON TAKE-OFF. SMOKE DISSAPETED AFTER CLIMB POOWER SET. REMOVED AND REPLACED EVC, CONDUCTED WET BLEED CK AND EVC TR
- [SDR EIAA20090059SUP](https://openairdocs.org/sdr/EIAA20090059SUP), May 13, 2009: ACM. DEFECTIVE. NR 1 PACK PRODUCING ODOR OF TURBINE OIL. REPLACED NR 1 ACM PER MM 21-51-04 AND RESET NR 1 PACK VALVE PER DDPG AND MM 21-51-00.

All 366: https://openairdocs.org/aircraft/N471EV/reports.md

## STCs that may be installed (OpenAirDocs) (456, first 50)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Boeing 747-273C)

- [STC ST00885LA](https://openairdocs.org/stc/ST00885LA): Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON, LLC d/b/a MASS Systems
- [STC ST04328NY](https://openairdocs.org/stc/ST04328NY): The Manufacture and Installation of Exterior Placards, Labels and Signs is to be performed, installed. Libellule Monde Inc
- [STC SA2622NM](https://openairdocs.org/stc/SA2622NM): Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101). Precise Flight Inc
- [STC ST00892LA](https://openairdocs.org/stc/ST00892LA): Installation of Emergency Vision Assurance System (EVAS). VisionSafe LLC
- [STC ST00030IB](https://openairdocs.org/stc/ST00030IB): Installation of Test Tech ELT. APTOZ EHF
- [STC SA2845WE](https://openairdocs.org/stc/SA2845WE): Installation of logo light assembly. The Boeing Company
- [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc
- [STC SA2365NM](https://openairdocs.org/stc/SA2365NM): Installation of the Superbin Interior retrofit kit. Safran Cabin Inc
- [STC SA2490NM](https://openairdocs.org/stc/SA2490NM): Installation of C&D Interiors heated food service cart. Safran Cabin Inc
- [STC SA3084NM](https://openairdocs.org/stc/SA3084NM): Installation of class divider partition, P/N 11745-1-1. Safran Cabin Inc. Lists 747-200 Series
- [STC SA3943NM](https://openairdocs.org/stc/SA3943NM): Installation of C&D interiors outboard bins and sidewall panels, stowage unit, class divider, super bin kit. Safran Cabin Inc
- [STC SA4204NM-D](https://openairdocs.org/stc/SA4204NM-D): Installation of one (1) crew rest area(non-flight crew). Safran Cabin Inc. Lists 747-200 Series
- [STC SA5067NM](https://openairdocs.org/stc/SA5067NM): Installation of L.H. galley G1L. Safran Cabin Inc. Lists 747-200 Series
- [STC SA5157NM](https://openairdocs.org/stc/SA5157NM): Installation of sidewall panels. Safran Cabin Inc
- [STC SA5799NM](https://openairdocs.org/stc/SA5799NM): Installation of a modular lavatory retrofit kit. Safran Cabin Inc. Lists 747-200 Series
- [STC ST00624LA](https://openairdocs.org/stc/ST00624LA): Installation of a TBO Container. Safran Cabin Inc
- [STC SA3417NM](https://openairdocs.org/stc/SA3417NM): Installation of floor proximity emergency escape path marking system. Bruce Aerospace Inc
- [STC ST02472AT](https://openairdocs.org/stc/ST02472AT): Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII. Aircraft Systems and Manufacturing Inc
- [STC ST01563CH](https://openairdocs.org/stc/ST01563CH): Installation of a Honeywell Communications Management Unit and a VHF communication system. Amphenol Cable and Interconnect Technologies, Inc
- [STC ST01683CH](https://openairdocs.org/stc/ST01683CH): Installation of a Universal Avionics Systems Corporation multi-function display. Amphenol Cable and Interconnect Technologies, Inc
- [STC ST01841CH](https://openairdocs.org/stc/ST01841CH): Installation of GPS antenna provisions. Amphenol Cable and Interconnect Technologies, Inc
- [STC ST01877CH](https://openairdocs.org/stc/ST01877CH): Installation of a Honeywell Enhanced Ground Proximity Warning System per Electronic Cable Specialists Master Data List ECS-201546 latest FAA approved revision. Amphenol Cable and Interconnect Technologies, Inc
- [STC ST01893CH](https://openairdocs.org/stc/ST01893CH): Installation of a Universal Avionics Systems Corporation (UASC) Terrain Awareness and Warning System (TAWS) and UASC UNS-1F Flight Management System (FMS) as a position source for TAWS or installation of a UASC TAWS and triple UASC FMS. Amphenol Cable and Interconnect Technologies, Inc
- [STC ST02182CH](https://openairdocs.org/stc/ST02182CH): Installation of elementary or enhanced surveillance Mode S transponders. Amphenol Cable and Interconnect Technologies Inc
- [STC ST10828SC](https://openairdocs.org/stc/ST10828SC): Installation of ECS brackets and hardware for triple Teledyne Controls Electronic Flight Bag Display Units (EFB DU’s). Amphenol Cable and Interconnect Technologies Inc
- [STC ST00079IB](https://openairdocs.org/stc/ST00079IB): Integration of Halon-free Portable Fire Extinguisher HAFEX. UMLAUT ENGINEERING GMBH
- [STC ST01936WI](https://openairdocs.org/stc/ST01936WI): Installation of LED lights. AeroLED's Holdings LLC
- [STC ST00126IB](https://openairdocs.org/stc/ST00126IB): Replacement of Halon agent with alternate Halon-free Portable Fire Extinguisher agent. AMAC Aerospace Switzerland AG
- [STC ST02302CH](https://openairdocs.org/stc/ST02302CH): Install ERDA model 7004 HI-LO table with slide top. Collins Aerospace
- [STC ST01912LA](https://openairdocs.org/stc/ST01912LA): Installation of internal tanks, associated systems and support structure for the aerial dispersant of liquids. Global Supertanker Aviation LLC
- [STC ST01695LA](https://openairdocs.org/stc/ST01695LA): Installation of fuselage structural reinforcement and closeout plug modification. Global Supertanker Services LLC
- [STC ST00105IB](https://openairdocs.org/stc/ST00105IB): Introduction of Activation of Wireless Charging Systems for Portable Electronic Devices. AMAC AEROSPACE SWITZERLAND AG
- [STC ST03973AT](https://openairdocs.org/stc/ST03973AT): Installation of the EMTEQ LED Anti-collision Light. Woven Electronics LLC
- [STC ST01837CH](https://openairdocs.org/stc/ST01837CH): Installation of a Honeywell RESCU 406AF Emergency Locator Transmitter (ELT) system. Honeywell International Inc
- [STC ST00062IB](https://openairdocs.org/stc/ST00062IB): Installation of GPS/SBAS sensors/antenna: two (TSO-145c) CMC Esterline CMA-3024 GPS/SBAS sensors, (TSO-C190) antennas, and associated wiring. APTOZ EHF
- [STC ST02929AT](https://openairdocs.org/stc/ST02929AT): Installation of an Artex Model C406-1 Emergency Locator Transmitter (ELT). Woven Electronics LLC
- [STC SA1220NW](https://openairdocs.org/stc/SA1220NW): Installation of Universal flight data recorder. Honeywell International Inc
- [STC SA2797SO](https://openairdocs.org/stc/SA2797SO): Installation of the Bendix/King CAS-81 TCAS II system and dual Bendix/King TRA-67 Mode S transponders. Honeywell International Inc. Lists 747-200 Series
- [STC SA5106NM](https://openairdocs.org/stc/SA5106NM): Installation of the Mark VII ground proximity and windshear warning system. Honeywell International Inc
- [STC ST00429SE](https://openairdocs.org/stc/ST00429SE): Installation of the Mark VII ground proximity and windshear warning system. Honeywell International Inc. Lists 747-200 Series
- [STC ST00705SE](https://openairdocs.org/stc/ST00705SE): Installation of the Honeywell Enhanced Ground Proximity Warning System (EGPWS) per Master Drawing 060-4199-094, Revision AL, dated February 24, 2004, or later FAA-approved revisions. Honeywell International Inc
- [STC ST00734AT](https://openairdocs.org/stc/ST00734AT): Installation of a RDR-4B Weather Radar Windshear System. Honeywell International Inc. Lists 747-200 Series
- [STC ST00801SE](https://openairdocs.org/stc/ST00801SE): Installation of the Honeywell Mark II Aircraft Communication Addressing and Reporting System (ACARS). Honeywell International Inc. Lists 747-200 Series
- [STC ST00956AT](https://openairdocs.org/stc/ST00956AT): Installation of an AlliedSignal Mark II ACARS. Honeywell International Inc. Lists 747-200 Series
- [STC ST01029SE](https://openairdocs.org/stc/ST01029SE): Installation of the Honeywell DAA-4A Dual Antenna Drive Unit. Honeywell International Inc
- [STC ST01096AT](https://openairdocs.org/stc/ST01096AT): Installation of a RTA-4A Weather Radar Receiver/Transmitter. Honeywell International Inc. Lists 747 Series
- [STC ST01770AT](https://openairdocs.org/stc/ST01770AT): Installation of RTA-83A VHF Communication System. Honeywell International Inc. Lists 747-200 Series
- [STC ST01963WI](https://openairdocs.org/stc/ST01963WI): Installation of Integra Pulse Portable Oxygen Bottle. B/E Aerospace
- [STC SA9083SC-D](https://openairdocs.org/stc/SA9083SC-D): Replace core assembly of Janitrol Constant Speed Drive (CSD) oil cooler, part number 76D94-1, on 747 aircraft equipped with General Electric CF6-50 engines, in accordance with Honeywell LORI Sealed Drawing List SDL3524-1, Revision A, dated 11 October 2005 or later FAA approved revision. Honeywell International Inc
- [STC ST02172LA](https://openairdocs.org/stc/ST02172LA): Installation of Teledyne Controls Wireless Ground Link - Quick Access Recorder (WQAR). Teledyne Controls

All 456: https://openairdocs.org/aircraft/N471EV/stcs.md

## Related

- Other Boeing 747-273C aircraft: https://openairdocs.org/model/boeing-747-273c/aircraft.md
- The Pratt & Whitney JT9D series engine: https://openairdocs.org/engine/pratt-whitney-jt9d-series.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.