# N7550: 1991 Mcdonnell Douglas DC-9-82(MD-82)

- Status: Valid registration
- Airframe: [Mcdonnell Douglas DC-9-82(MD-82)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82-md-82) (registry code 3022082, 172 seats)
- Engine: [Pratt & Whitney JT8D series](https://openairdocs.org/engine/pratt-whitney-jt8d-series) (registry code 52053)
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE) (The Boeing Company) (OpenAirDocs)
- Serial number: 53032
- Year built: 1991
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: February 8, 1991
- Certificate issued: September 3, 2022
- Expires: September 30, 2029
- Mode S code: AA2EF4
- Registered owner: [Frontera Flight Holdings Inc](https://openairdocs.org/faa-owner/FRONTERA%20FLIGHT%20HOLDINGS%20INC)
- Location: [Dover, DE](https://openairdocs.org/faa-place/DE/Dover)
- Owner type: Corporation
- Owner's area on the map: 39.1815° N, 75.4736° W: Placed by OpenAirDocs at the center of ZIP code 19901, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=7550
- Page: https://openairdocs.org/aircraft/N7550

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 JT8D model are included.

## ADs that may apply (OpenAirDocs): 326 in force

### Matched by airframe (Mcdonnell Douglas DC-9-82(MD-82))

- [AD 2026-13-15](https://openairdocs.org/ad/2026-13-15): Navigation · Boeing 707-100 Long Body, 707-200, 707-100B Long Body and 74 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 2025-09-11](https://openairdocs.org/ad/2025-09-11): Flight controls · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 20 more. Effective Jun 12, 2025
- [AD 2023-12-15](https://openairdocs.org/ad/2023-12-15): Navigation · Boeing 707-100 Long Body, 707-200, 707-100B Long Body and 74 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 2023-02-09](https://openairdocs.org/ad/2023-02-09): Stabilizers · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective Mar 20, 2023
- [AD 2023-01-13](https://openairdocs.org/ad/2023-01-13): Wings · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective Mar 13, 2023
- [AD 2020-10-10](https://openairdocs.org/ad/2020-10-10): Wings · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective Jun 26, 2020
- [AD 2018-07-04](https://openairdocs.org/ad/2018-07-04): Ice and rain protection · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 3 more. Effective Sep 10, 2018
- [AD 2018-03-04](https://openairdocs.org/ad/2018-03-04): Airspeed/Mach Indicator · Boeing 717-200, DC-9-11, DC-9-12 and 23 more. Effective Mar 16, 2018
- [AD 2017-19-05](https://openairdocs.org/ad/2017-19-05): Smoke Detection · Airbus A330-201, A330-202, A330-203 and 30 more. Effective Oct 31, 2017
- [AD 2017-17-19](https://openairdocs.org/ad/2017-17-19): Fuselage · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective Oct 4, 2017
- [AD 2016-25-06](https://openairdocs.org/ad/2016-25-06): Stabilizers · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective Jan 25, 2017
- [AD 2016-03-06](https://openairdocs.org/ad/2016-03-06): Fuel · Boeing DC-9-11, DC-9-12, DC-9-13 and 21 more. Effective Mar 23, 2016
- [AD 2015-02-05](https://openairdocs.org/ad/2015-02-05): Navigation · Boeing 717-200, DC-10-10, DC-10-10F and 13 more. Effective Mar 5, 2015
- [AD 2014-21-04](https://openairdocs.org/ad/2014-21-04): Stabilizers · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective Dec 2, 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 2014-05-27](https://openairdocs.org/ad/2014-05-27): Navigation · Airbus A319-111, A319-112, A319-113 and 99 more. Effective May 2, 2014
- [AD 2013-05-02](https://openairdocs.org/ad/2013-05-02): Stabilizers · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective Apr 15, 2013
- [AD 2012-21-13](https://openairdocs.org/ad/2012-21-13): Wings · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective Dec 4, 2012
- [AD 2011-21-08](https://openairdocs.org/ad/2011-21-08): Equipment/Furnishings · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, ATR42-320 and 202 more. Effective Nov 23, 2011
- [AD 2011-17-11](https://openairdocs.org/ad/2011-17-11): Wings · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective Sep 26, 2011
- [AD 2011-15-01](https://openairdocs.org/ad/2011-15-01): Stabilizers · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective Aug 19, 2011
- [AD 2011-14-03](https://openairdocs.org/ad/2011-14-03): Stabilizers · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective Aug 10, 2011
- [AD 2011-12-01](https://openairdocs.org/ad/2011-12-01): Equipment/Furnishings · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 268 more. Effective Aug 1, 2011
- [AD 2011-01-16](https://openairdocs.org/ad/2011-01-16): Fuel · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective Feb 16, 2011
- [AD 2010-25-04](https://openairdocs.org/ad/2010-25-04): Compliance · Boeing DC-9-31, DC-9-32, DC-9-32 (VC-9C) and 14 more. Effective Jan 11, 2011
- [AD 2009-15-16 R1](https://openairdocs.org/ad/2009-15-16-R1): Doors · Intrusion/Penetration Resistance Flightdeck Door and Reinforced… (Aircraft Reconfig Technologies STC ST02463AT). Effective Aug 5, 2010
- [AD 2009-21-10 R1](https://openairdocs.org/ad/2009-21-10-R1): Oxygen · Airbus A300 B4-605R, A300 B4-620, A300 B4-622 and 138 more. Effective Feb 4, 2010
- [AD 2008-22-01](https://openairdocs.org/ad/2008-22-01): Auxiliary fuel tanks · Boeing 727-100 Series, 727-200 Series, 727 Series and 17 more. Effective Nov 26, 2008
- [AD 2008-13-29](https://openairdocs.org/ad/2008-13-29): Overwing frames · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective Aug 12, 2008
- [AD 2008-11-15](https://openairdocs.org/ad/2008-11-15): Fuel tank systems · Boeing 717-200, DC-9-11, DC-9-12 and 21 more. Effective Jul 3, 2008
- [AD 2008-06-27](https://openairdocs.org/ad/2008-06-27): Evacuation system's shear-pin · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 91 more. Effective Apr 28, 2008
- [AD 2008-03-12](https://openairdocs.org/ad/2008-03-12): Rudder pedal bracket · Boeing DC-8-11, DC-8-12, DC-8-21 and 47 more. Effective Mar 11, 2008
- [AD 2007-25-16](https://openairdocs.org/ad/2007-25-16): Forward passenger doorjamb · Boeing DC-9-81 (MD-81) and DC-9-82 (MD-82). Effective Jan 14, 2008
- [AD 2007-17-18](https://openairdocs.org/ad/2007-17-18): Static port heater assemblies · Boeing DC-9-11, DC-9-12, DC-9-13 and 20 more. Effective Oct 2, 2007
- [AD 2006-16-02](https://openairdocs.org/ad/2006-16-02): Refueling Manifold · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective Sep 7, 2006
- [AD 2006-15-15](https://openairdocs.org/ad/2006-15-15): Wire bundle for the auxiliary hydraulic pump · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective Sep 5, 2006
- [AD 2006-10-14](https://openairdocs.org/ad/2006-10-14): Stop pad support fittings · Boeing 717-200, DC-9-11, DC-9-12 and 22 more. Effective Jun 21, 2006
- [AD 2006-07-11](https://openairdocs.org/ad/2006-07-11): Aft attach fitting assembly of the spoiler link · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 3 more. Effective May 5, 2006
- [AD 2006-06-04](https://openairdocs.org/ad/2006-06-04): Main landing gear (MLG) · Boeing DC-9-11, DC-9-12, DC-9-13 and 17 more. Effective Apr 20, 2006
- [AD 2006-01-02](https://openairdocs.org/ad/2006-01-02): Upper lock link assembly of the nose landing gear (NLG) · Boeing DC-9-14, DC-9-15, DC-9-15F and 18 more. Effective Feb 22, 2006
- [AD 2005-13-18](https://openairdocs.org/ad/2005-13-18): Battery terminal screws · Boeing DC-9-11, DC-9-12, DC-9-13 and 20 more. Effective Aug 1, 2005
- [AD 2005-09-04](https://openairdocs.org/ad/2005-09-04): Main landing gear (MLG) shock strut pistons · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective Jun 2, 2005
- [AD 2005-07-03](https://openairdocs.org/ad/2005-07-03): Rear spar of the left and right wings · Boeing DC-9-11, DC-9-12, DC-9-13 and 17 more. Effective May 4, 2005
- [AD 2004-25-14](https://openairdocs.org/ad/2004-25-14): Main landing gear (MLG) · Boeing DC-9-14, DC-9-15, DC-9-15F and 17 more. Effective Jan 20, 2005
- [AD 2004-23-21](https://openairdocs.org/ad/2004-23-21): Power feeder cables of the auxiliary power unit (APU) · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective Jan 3, 2005
- [AD 2004-23-05](https://openairdocs.org/ad/2004-23-05): Ground stud installation of the main battery · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective Dec 20, 2004
- [AD 2004-22-01](https://openairdocs.org/ad/2004-22-01): Cargo restraint strap assemblies · Cargo restraint straps (Airline Container Manufacturing STC ST01004NY). Effective Dec 1, 2004
- [AD 2004-15-13](https://openairdocs.org/ad/2004-15-13): Freeze Protection Ribbon Heaters · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective Sep 2, 2004

### Matched by engine (Pratt & Whitney JT8D series)

- [AD 2021-22-19](https://openairdocs.org/ad/2021-22-19): Turbine Engine Compressor Section · Pratt & Whitney JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Dec 28, 2021
- [AD 2015-14-05](https://openairdocs.org/ad/2015-14-05): Cracking in the low-pressure turbine (LPT) shaft · Pratt & Whitney Division JT8D-217C and JT8D-219. Effective Aug 25, 2015
- [AD 2011-04-04](https://openairdocs.org/ad/2011-04-04): Critical life-limited parts · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Mar 22, 2011
- [AD 2011-03-01](https://openairdocs.org/ad/2011-03-01): Critical life- limited parts · Pratt & Whitney Division JT8D-11, JT8D-15, JT8D-15A and 9 more. Effective Mar 4, 2011
- [AD 2010-21-17](https://openairdocs.org/ad/2010-21-17): Fan blade · Pratt & Whitney Division JT8D-11, JT8D-15, JT8D-17 and 3 more. Effective Nov 12, 2010
- [AD 97-17-04 R1](https://openairdocs.org/ad/97-17-04-R1): Front compressor front hub · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217C and 1 more. Effective Apr 22, 2010
- [AD 2009-24-01](https://openairdocs.org/ad/2009-24-01): Fan blade · Pratt & Whitney Division JT8D-11, JT8D-15, JT8D-17 and 5 more. Effective Jan 4, 2010
- [AD 2006-17-07 R1](https://openairdocs.org/ad/2006-17-07-R1): High pressure compressor (HPC) front hubs and HPC disk · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 18 more. Effective Nov 2, 2006
- [AD 2005-21-01](https://openairdocs.org/ad/2005-21-01): High pressure turbine (HPT) shaft · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Nov 21, 2005
- [AD 2005-17-16](https://openairdocs.org/ad/2005-17-16): Critical life-limited rotating parts · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 17 more. Effective Sep 30, 2005
- [AD 2004-26-04](https://openairdocs.org/ad/2004-26-04): HPT containment hardware · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Feb 9, 2005
- [AD 2003-16-05](https://openairdocs.org/ad/2003-16-05): High pressure compressor (HPC) disks · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Sep 12, 2003
- [AD 2003-12-07](https://openairdocs.org/ad/2003-12-07): 12th Stage high pressure compressor · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 12 more. Effective Jul 18, 2003
- [AD 2003-05-07](https://openairdocs.org/ad/2003-05-07): Low pressure compressor (LPC) · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 12 more. Effective Apr 17, 2003
- [AD 2002-21-17](https://openairdocs.org/ad/2002-21-17): Fan duct and fan exit guide vane · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Nov 29, 2002
- [AD 2002-16-08](https://openairdocs.org/ad/2002-16-08): Combustion Chamber Outer Case (CCOC) · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Sep 20, 2002
- [AD 2001-15-18](https://openairdocs.org/ad/2001-15-18): Stage Compressor Disks · Pratt & Whitney Division JT8D-11, JT8D-15, JT8D-15A and 6 more. Effective Sep 4, 2001
- [AD 2000-22-06](https://openairdocs.org/ad/2000-22-06): Main Fuel Pump · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 8 more. Effective Dec 4, 2000
- [AD 99-10-11](https://openairdocs.org/ad/99-10-11): Fan Blades and Shrouds · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Jun 14, 1999
- [AD 99-01-08](https://openairdocs.org/ad/99-01-08): Stage 7 through Stage 15 High-Pressure Compressor (HPC) Disks · Pratt & Whitney Division JT3D-1, JT3D-1-MC6, JT3D-1-MC7 and 30 more. Effective Jan 5, 1999
- [AD 98-21-24](https://openairdocs.org/ad/98-21-24): Compressor Disks · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 17 more. Effective Nov 16, 1998
- [AD 98-04-39](https://openairdocs.org/ad/98-04-39): Combustion Chamber Outer Case · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 12 more. Effective Feb 25, 1998
- [AD 97-19-12](https://openairdocs.org/ad/97-19-12): Hub Inspection · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 9 more. Effective Nov 18, 1997
- [AD 97-19-14](https://openairdocs.org/ad/97-19-14): Low Pressure Turbine (LPT) Blade Sets · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 9 more. Effective Oct 24, 1997
- [AD 96-23-14](https://openairdocs.org/ad/96-23-14): Combustion Chamber Outer Cases · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 12 more. Effective Jan 2, 1997
- [AD 96-15-06](https://openairdocs.org/ad/96-15-06): First Stage Fan Hubs · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Sep 3, 1996
- [AD 95-26-03](https://openairdocs.org/ad/95-26-03): High Pressure Compressor Disks · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 12 more. Effective Jan 11, 1996
- [AD 86-09-02 R2](https://openairdocs.org/ad/86-09-02-R2): Combustion Chamber Liners · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 12 more. Effective Nov 17, 1995
- [AD 95-16-07](https://openairdocs.org/ad/95-16-07): High Pressure Compressor (HPC) Disks · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 11 more. Effective Sep 11, 1995
- [AD 95-10-10](https://openairdocs.org/ad/95-10-10): Compressor Fan Hub · Pratt & Whitney Division JT8D-11, JT8D-15, JT8D-15A and 6 more. Effective Jul 21, 1995
- [AD 94-25-07](https://openairdocs.org/ad/94-25-07): Combustion Chamber Outer Case · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 12 more. Effective Mar 30, 1995
- [AD 95-02-16](https://openairdocs.org/ad/95-02-16): Fuel Nozzle and Support Assembly · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 17 more. Effective Feb 21, 1995
- [AD 94-20-09](https://openairdocs.org/ad/94-20-09): Low Pressure Turbine Blade Sets · Pratt & Whitney Division JT8D-15A, JT8D-17A and JT8D-17AR. Effective Nov 14, 1994
- [AD 91-24-14](https://openairdocs.org/ad/91-24-14): Bearing Seal Spacer · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 18 more. Effective Jan 21, 1992
- [AD 89-25-11](https://openairdocs.org/ad/89-25-11): Fan Blade Retaining Plates · Pratt & Whitney Division JT8D-11, JT8D-15, JT8D-15A and 6 more. Effective Jan 15, 1990
- [AD 89-24-02](https://openairdocs.org/ad/89-24-02): Fan Disk · Pratt & Whitney Division JT8D-7, JT8D-7A and JT8D-7B. Effective Nov 13, 1989
- [AD 88-04-02](https://openairdocs.org/ad/88-04-02): Anti-rotation Pin Failures · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Mar 4, 1988
- [AD 87-03-13](https://openairdocs.org/ad/87-03-13): Compressor Blade · Pratt & Whitney Division JT8D-209, JT8D-217 and JT8D-217A. Effective Feb 16, 1987
- [AD 86-08-04 R1](https://openairdocs.org/ad/86-08-04-R1): HPC Removable Sleeve Spacers · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 12 more. Effective Nov 4, 1986
- [AD 86-02-52 R1](https://openairdocs.org/ad/86-02-52-R1): Combustion Chamber · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 12 more. Effective Apr 14, 1986
- [AD 85-19-51 R1](https://openairdocs.org/ad/85-19-51-R1): Second Stage Turbine Disk · Pratt & Whitney Division JT8D-15, JT8D-17 and JT8D-17R. Effective Dec 26, 1985
- [AD 78-17-02 R3](https://openairdocs.org/ad/78-17-02-R3): Compressor Front Hubs · Pratt & Whitney Division JT8D-11, JT8D-15, JT8D-15A and 6 more. Effective Mar 30, 1984
- [AD 80-15-51](https://openairdocs.org/ad/80-15-51): Engine Rear Compressor Front Hubs · Pratt & Whitney Division JT8D-209, JT8D-1, JT8D-11 and 11 more. Effective Aug 21, 1980
- [AD 78-23-12](https://openairdocs.org/ad/78-23-12): Third Stage Turbine Blade Rivet · Pratt & Whitney Division JT8D-1, JT8D-1A, JT8D-1B and 5 more. Effective Dec 20, 1978
- [AD 77-16-12](https://openairdocs.org/ad/77-16-12): Low Turbine Shaft · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 8 more. Effective Aug 31, 1977
- [AD 76-24-01](https://openairdocs.org/ad/76-24-01): Eighth Stage Compressor Disk · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-1A and 6 more. Effective Jun 22, 1977
- [AD 77-07-11](https://openairdocs.org/ad/77-07-11): Fourth Stage Turbine Stator And Rotor · Pratt & Whitney Division JT8D-9 and JT8D-9A. Effective Apr 15, 1977
- [AD 77-03-06](https://openairdocs.org/ad/77-03-06): Compressor Front Hubs · Pratt & Whitney Division JT8D-1, JT8D-1A, JT8D-1B and 3 more. Effective Feb 25, 1977
- [AD 75-05-06](https://openairdocs.org/ad/75-05-06): Fuel Manifold Leakage · Pratt & Whitney Division JT8D-1, JT8D-11, JT8D-15 and 18 more. Effective Feb 24, 1977
- [AD 76-20-02](https://openairdocs.org/ad/76-20-02): Second Stage Fan Blades · Pratt & Whitney Division JT8D-1, JT8D-1A, JT8D-1B and 3 more. Effective Oct 10, 1976

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

- [AD 2022-09-18](https://openairdocs.org/ad/2022-09-18) (historical): Navigation · Boeing 707-100 Long Body, 707-100B Long Body, 707-100B Short Body and 72 more. Effective May 23, 2022
- [AD 2016-07-28](https://openairdocs.org/ad/2016-07-28) (historical): Wings · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective Apr 26, 2016
- [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 2012-18-05](https://openairdocs.org/ad/2012-18-05) (historical): Fuel · Boeing DC-9-11, DC-9-12, DC-9-13 and 21 more. Effective Oct 11, 2012
- [AD 2009-15-16](https://openairdocs.org/ad/2009-15-16) (historical): Doors · McDonnell Douglas DC-9-11, DC-9-12, DC-9-13 and 18 more. Effective Jul 6, 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 2007-10-04](https://openairdocs.org/ad/2007-10-04) (historical): Horizontal stabilizer · Boeing DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83) and 2 more. Effective May 23, 2007
- [AD 2006-07-25](https://openairdocs.org/ad/2006-07-25) (historical): Rudder pedal bracket · McDonnell Douglas DC-8-11, DC-8-12, DC-8-21 and 44 more. Effective May 16, 2006
- [AD 2003-17-07](https://openairdocs.org/ad/2003-17-07) (historical): Fire Extinguishers for the Engine and Auxiliary Power Unit (APU) · McDonnell Douglas DC-10-10, DC-10-10F, DC-10-15 and 60 more. Effective Sep 24, 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 2001-06-16](https://openairdocs.org/ad/2001-06-16) (historical): AFM - Ice On Wing Upper Surfaces · McDonnell Douglas DC-9-81, DC-9-82, DC-9-83 and 2 more. Effective May 7, 2001
- [AD 2001-07-10](https://openairdocs.org/ad/2001-07-10) (historical): Airplane Flight Manual - Landing Field Length · McDonnell Douglas DC-9-81, DC-9-82, DC-9-83 and 3 more. Effective Apr 27, 2001
- [AD 2000-15-17](https://openairdocs.org/ad/2000-15-17) (historical): Hydraulic Pipe Assembly in the Aft Fuselage · McDonnell Douglas DC-9-81, DC-9-82, DC-9-83 and 3 more. Effective Sep 12, 2000
- [AD 99-24-04](https://openairdocs.org/ad/99-24-04) (historical): Hi-Lok Pin Fasteners · McDonnell Douglas DC-9-81, DC-9-82, DC-9-83 and 2 more. Effective Dec 27, 1999
- [AD 99-13-07](https://openairdocs.org/ad/99-13-07) (historical): Main Landing Gear Shock Strut Pistons · McDonnell Douglas DC-9-81, DC-9-82, DC-9-83 and 3 more. Effective Jul 28, 1999
- [AD 96-19-09](https://openairdocs.org/ad/96-19-09) (historical): Main Landing Gear Pistons · McDonnell Douglas DC-9-81, DC-9-82, DC-9-83 and 2 more. Effective Oct 21, 1996
- [AD 74-08-09 R2](https://openairdocs.org/ad/74-08-09-R2) (historical): Waste Receptacles · Aero Spacelines 377, 377MG, 377SGT and 268 more. Effective Jul 29, 1996
- [AD 96-02-05](https://openairdocs.org/ad/96-02-05) (historical): Rudder Pedals Adjuster Hub Assembly · McDonnell Douglas DC-9-11, DC-9-12, DC-9-13 and 20 more. Effective Mar 25, 1996
- [AD 96-01-09](https://openairdocs.org/ad/96-01-09) (historical): Main Landing Gear Hydraulic Brake System · McDonnell Douglas DC-9-81, DC-9-82, DC-9-83 and 2 more. Effective Feb 26, 1996
- [AD 95-22-06](https://openairdocs.org/ad/95-22-06) (historical): Main Landing Gear Shock Strut Cylinder · McDonnell Douglas DC-9-81, DC-9-82, DC-9-83 and 2 more. Effective Nov 8, 1995
- [AD 95-12-25](https://openairdocs.org/ad/95-12-25) (historical): FIREX Pipe Assembly · McDonnell Douglas DC-9-11, DC-9-12, DC-9-13 and 20 more. Effective Jul 24, 1995
- [AD 93-13-07](https://openairdocs.org/ad/93-13-07) (historical): Install Water Drain System · McDonnell Douglas DC-9-11, DC-9-12, DC-9-13 and 17 more. Effective Aug 18, 1993
- [AD 92-27-07](https://openairdocs.org/ad/92-27-07) (historical): Rudder Pedals Adjuster Hub Assembly · McDonnell Douglas DC-9-11, DC-9-12, DC-9-13 and 20 more. Effective Jan 22, 1993
- [AD 92-03-02](https://openairdocs.org/ad/92-03-02) (historical): AFM Limitations Revision · McDonnell Douglas DC-9-81, DC-9-82, DC-9-83 and 2 more. Effective Jan 17, 1992
- [AD 91-21-11](https://openairdocs.org/ad/91-21-11) (historical): Slat Drive Mechanism Brackets · McDonnell Douglas DC-9-81, DC-9-82, DC-9-83 and 2 more. Effective Oct 30, 1991
- [AD 88-20-05](https://openairdocs.org/ad/88-20-05) (historical): Generator Power Feeder Cable · McDonnell Douglas DC-9-81, DC-9-82, DC-9-83 and 2 more. Effective Oct 31, 1988
- [AD 2011-07-02](https://openairdocs.org/ad/2011-07-02) (historical): Turbine Blade · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Apr 28, 2011
- [AD 2006-17-07](https://openairdocs.org/ad/2006-17-07) (historical): Fretting and fluorescent magnetic particle inspections (FMPI) for cracking in the area of the tierod holes on the HPC front hubs · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 18 more. Effective Oct 4, 2006
- [AD 2005-18-02](https://openairdocs.org/ad/2005-18-02) (historical): Engine manufacturer's time limits section (TLS) · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Feb 28, 2006
- [AD 2005-02-03](https://openairdocs.org/ad/2005-02-03) (historical): Turbine (LPT) Blades 3rd and 4th Stage · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Mar 3, 2005
- [AD 2002-23-14](https://openairdocs.org/ad/2002-23-14) (historical): High Pressure Compressor (HPC) Front Hubs · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Dec 31, 2002
- [AD 2002-13-09](https://openairdocs.org/ad/2002-13-09) (historical): Rotating engine parts · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Dec 30, 2002
- [AD 2000-21-07](https://openairdocs.org/ad/2000-21-07) (historical): Critical Life-Limited Parts · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Apr 23, 2001
- [AD 99-26-06](https://openairdocs.org/ad/99-26-06) (historical): Combustion Chamber Outer Case · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Feb 22, 2000
- [AD 99-27-01](https://openairdocs.org/ad/99-27-01) (historical): Low Pressure Turbine Blades · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Feb 2, 2000
- [AD 99-22-14](https://openairdocs.org/ad/99-22-14) (historical): High Pressure Turbine Shaft · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Dec 28, 1999
- [AD 99-12-04](https://openairdocs.org/ad/99-12-04) (historical): Critical Life Limited Part Inspection · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Jul 8, 1999
- [AD 97-19-13](https://openairdocs.org/ad/97-19-13) (historical): High Pressure Turbine (HPT) Shaft · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217A and 2 more. Effective Oct 24, 1997
- [AD 97-17-04](https://openairdocs.org/ad/97-17-04) (historical): Fan Hubs · Pratt & Whitney Division JT8D-209, JT8D-217, JT8D-217C and 1 more. Effective Sep 30, 1997

All 365: https://openairdocs.org/aircraft/N7550/ads.md

## Information bulletins (advisory) (12 in force)

- [SAIB NE-19-03](https://openairdocs.org/saib/NE-19-03): Escape Slide Maintenance Tasks and Intervals - JASC 2565. Issued Feb 19, 2019
- [SAIB NM-15-03](https://openairdocs.org/saib/NM-15-03): Flight Controls. Issued Nov 24, 2014
- [SAIB NM-08-43](https://openairdocs.org/saib/NM-08-43): Cabin Equipment/Furnishings - Seats. Issued Sep 3, 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 NE-16-22](https://openairdocs.org/saib/NE-16-22): Turbine Engine Combustion Section  JT8D Series Turbofan Engines. Issued Sep 2, 2016
- [SAIB NE-10-32](https://openairdocs.org/saib/NE-10-32): Turbine Engine Accessory Drive. Issued May 7, 2010
- [SAIB NE-05-75R1](https://openairdocs.org/saib/NE-05-75R1): . Issued Aug 4, 2005
- [SAIB NE-05-30](https://openairdocs.org/saib/NE-05-30): . Issued Feb 3, 2005
- [SAIB NE-02-22](https://openairdocs.org/saib/NE-02-22): . Issued Mar 26, 2002
- [SAIB NE-02-08R1](https://openairdocs.org/saib/NE-02-08R1): . Issued Feb 8, 2002
- [SAIB NE-01-42](https://openairdocs.org/saib/NE-01-42): . Issued Sep 25, 2001
- [SAIB ANE-97-03](https://openairdocs.org/saib/ANE-97-03): . Issued Apr 25, 1997
- [SAIB NE-05-75](https://openairdocs.org/saib/NE-05-75) (historical): . Issued Jul 22, 2005

## NTSB investigations

None matched to N7550.

## FAA accident and incident reports

None matched to N7550.

## Reports on N7550 not matched to an aircraft (1)

They name N7550, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 19800420044039I](https://openairdocs.org/incident/19800420044039I), Apr 20, 1980: Boeing 707/ (N7550), San Francisco, CA. Flight attendant injured while stowing baggage in carry-on compartment.

## Service difficulty reports (127, 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 AALA201803209010](https://openairdocs.org/sdr/AALA201803209010), Mar 18, 2018: WINDOW. DELAMINATED. FIRST OFFICERS WINDSHIELD IS DELAMINATED AT THE BOTTOM, MEASURING APPROXIMATELY 2.75 INCHES FROM BOTTOM OF THE WINDSHIELD OUTER GLASS PLY. NOT ACCEPTABLE, AREA 
- [SDR AALA201803069026](https://openairdocs.org/sdr/AALA201803069026), Mar 2, 2018: GENERATOR. LOW PRESSURE. DURING CRUISE, RIGHT CONSTANT SPEED DRIVE OIL PRESSURE LOW LIGHT AND RIGHT GENERATOR OFF LIGHT CAME ON. DISCONNECTED CONSTANT SPEED DRIVE IAW QUICK REFERENCE HA
- [SDR AALA20180303002](https://openairdocs.org/sdr/AALA20180303002), Mar 2, 2018: CSD. LOW PRESSURE. DURING CRUISE, RIGHT CONSTANT SPEED DRIVE OIL PRESSURE LOW LIGHT AND RIGHT GENERATOR OFF LIGHT CAME ON. DISCONNECTED CONSTANT SPEED DRIVE IAW QUICK REFERENCE HA
- [SDR AALA201710139024](https://openairdocs.org/sdr/AALA201710139024), Oct 12, 2017: ATTACH BRACKET. BROKEN. R1 DOOR SLIDE BUSTLE ATTACH BRACKET IS BROKEN. REMOVED AND REPLACED THE TWO BRACKETS IAW 30-10-15. OPERATIONAL CHECKED GOOD. AIRCRAFT WAS GROUNDED.
- [SDR AALA201710139019](https://openairdocs.org/sdr/AALA201710139019), Oct 12, 2017: ATTACH BRACKET. BROKEN. R1 DOOR SLIDE BUSTLE ATTACH BRACKET IS LOOSE OR BROKEN. REMOVED AND REPLACED THE TWO BRACKETS SRM 30-10-15. OPS CHECKED GOOD. AIRCRAFT WAS GROUNDED.
- [SDR AALA20171004015](https://openairdocs.org/sdr/AALA20171004015), Oct 4, 2017: FRAME. WORN. WORN AREA ON AFT ACCESSORY LEFT CANTED FRAME AT BS 1510, BETWEEN LONGERONS 25 - 27L, LOWER AFT SURFACE AT THE 7 OCLOCK POSITION DUE TO TAIL CONE RUBBING. REPAIR
- [SDR AALA20170831004](https://openairdocs.org/sdr/AALA20170831004), Aug 31, 2017: LONGERON. CRACKED. AIRCRAFT WAS IN BASE MAINTENANCE. CRACK INDICATIONS ON LONGERON 24L AT FUSELAGE STATION 200 FRAME ATTACHMENT POINT. REPAIRED LONGERON PER SRM 53-02-00.
- [SDR AALA20170831003](https://openairdocs.org/sdr/AALA20170831003), Aug 31, 2017: LONGERON. CRACKED. AIRCRAFT WAS IN BASE MAINTENANCE. CRACK INDICATIONS ON LONGERON 23L AT FUSELAGE STATION 200. REPAIRED LONGERON PER SRM 53-02-00.
- [SDR AALA201706289023](https://openairdocs.org/sdr/AALA201706289023), Jun 26, 2017: BATTERY. DISCHARGED. THE AIRCRAFT WAS NOT GROUNDED. WITH A/C POWER OFF THE AFT INTERIOR EMERGENCY LIGHTS STAY ON. REMOVED AND REPLACED BATTERY PAC PER MM 33-53-00. PAC B5-27. OPS CH
- [SDR AALA20170606004](https://openairdocs.org/sdr/AALA20170606004), Jun 6, 2017: CSD. FAILED. THE AIRCRAFT WAS GROUNDED. LT CSD OIL PRESSURE LIGHT CAME ON WITH A CSD OVER TEMP INDICATION. THE CREW DISCONNECTED THE LT CSD, BUT THE AC VOLTS STAYED ON AFTER
- [SDR AALA20170301005](https://openairdocs.org/sdr/AALA20170301005), Feb 27, 2017: BATTERY PACK. DISCHARGED. AIRCRAFT WAS NOT GROUNDED. EMERGENCY EXIT SIGN RIGHT AFT OVERWING FAILED TEST. REMOVED AND REPLACED POWER SUPPLY (AALA20170227021) AND BATTERY PACK AB5-3 IAW AM
- [SDR AALA20170227022](https://openairdocs.org/sdr/AALA20170227022), Feb 27, 2017: BATTERY. DISCHARGED. AIRCRAFT WAS NOT GROUNDED. FIRST CLASS CEILING EMERGENCY EXIT LIGHTS FAILED TEST. REMOVED AND REPLACED BATTERY ASSEMBLY AT ROW 6 IAW AMM 33-53-00. OPERATIONAL C
- [SDR AALA20170227021](https://openairdocs.org/sdr/AALA20170227021), Feb 27, 2017: POWER SUPPLY. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED. EMERGENCY EXIT SIGN RIGHT AFT OVERWING FAILED TEST. REMOVED AND REPLACED POWER SUPPLY AND BATTERY PACK AB5-3 (AALA20170301005) IAW AM
- [SDR AALA20170227020](https://openairdocs.org/sdr/AALA20170227020), Feb 27, 2017: BATTERY. DISCHARGED. AIRCRAFT WAS NOT GROUNDED. CEILING EMERGENCY EXIT LIGHTS ROW 21-26 FAILED TEST. REMOVED AND REPLACED BATTERY ASSEMBLY AT ROW 25 IAW AMM 33-53-00. OPERATIONAL CH
- [SDR AALA20170227019](https://openairdocs.org/sdr/AALA20170227019), Feb 27, 2017: BATTERY. DISCHARGED. AIRCRAFT WAS NOT GROUNDED. EMERGENCY EXIT LIGHTS ON THE LEFT AND RIGHT AFT OVERWING EXITS FAILED TEST. REMOVED AND REPLACED BATTERY ASSEMBLY AT ROW 21 IAW AMM 3
- [SDR AALA20170125014](https://openairdocs.org/sdr/AALA20170125014), Jan 25, 2017: PRESSURE SWITCH. FAULTY. DURING APPROACH, CREW REPORTED THE LEFT ENGINE OIL FILTER CLOGGED LIGHT ILLUMINATED. THE LEFT ENGINE WOULD NOT GO BEYOND IDLE POWER. AIRCRAFT WAS GROUNDED. EMER
- [SDR AALA20170119022](https://openairdocs.org/sdr/AALA20170119022), Jan 17, 2017: BATTERY. FAULTY. AIRCRAFT NOT GROUNDED. EMERGENCY EXIT LIGHT IN THE MID GALLEY WAS ON WHEN THE AIRCRAFT WAS SHUTDOWN. REMOVED AND REPLACED BATTERY ASSEMBLY IAW AMM 33-53-00. OPE
- [SDR AALA20170118008](https://openairdocs.org/sdr/AALA20170118008), Jan 14, 2017: LANYARD. OUT OF POSITION. AIRCRAFT NOT GROUNDED. L1 DOOR EMERGENCY EVACUATION SLIDE LANYARD IS DISLOCATED. SECURED LANYARD IAW AMM 25-62-00. OPERATIONAL CHECK GOOD.
- [SDR AALA20170109034](https://openairdocs.org/sdr/AALA20170109034), Jan 6, 2017: SLIDE. DETACHED. L2 DOOR EMERGENCY EVACUATION SLIDE DETACHED AND ON FLOOR. AIRCRAFT WAS GROUNDED. REMOVED AND REPLACED SLIDE IAW AM 25-62-00. OPERATIONAL CHECK GOOD.
- [SDR AALA20160630011](https://openairdocs.org/sdr/AALA20160630011), Jun 30, 2016: SKIN. CRACKED. AIRCRAFT WAS IN BASE MAINTENANCE. FUSELAGE SKIN IS CRACKED AT FRAME 1474 AND L22R. REPAIRED SKIN IAW SRM 53-01-00 AND 53-30-00-03.
- [SDR AALA20160630009](https://openairdocs.org/sdr/AALA20160630009), Jun 30, 2016: LONGERON. DAMAGED. ACFT WAS IN BASE MAINTENANCE. OTBD AFT CORNER OF L20R AT FUSELAGE STA 1303 WAS REMOVED AROUND A FASTENER WITH NO REINFORCING REPAIR ACCOMPLISHED. REPAIRED LONGE
- [SDR AALA20160630007](https://openairdocs.org/sdr/AALA20160630007), Jun 30, 2016: STOP FITTING. CRACKED. FORWARD CARGO DOOR STOP CRACKED, BOTTOM AFT STOP, INSTALLED FORWARD CARGO BOTTOM AFT STOP PAD FITTING IAW DWG 5910141 AND CDK2345.
- [SDR AALA20160630006](https://openairdocs.org/sdr/AALA20160630006), Jun 30, 2016: STOP FITTING. CRACKED. AIRCRAFT WAS IN BASE MAINTENANCE. FORWARD CARGO DOOR TOP AFT STOP PAD FITTING IS CRACKED. R & R FITTING IAW DWG 5910141.
- [SDR AALA20160630005](https://openairdocs.org/sdr/AALA20160630005), Jun 30, 2016: STOP FITTING. CRACKED. AIRCRAFT WAS IN BASE MAINTENANCE. FORWARD CARGO DOOR 3RD FROM TOP FORWARD STOP PAD FITTING IS CRACKED. R & R FITTING IAW DWG 5910141.
- [SDR AALA20160630004](https://openairdocs.org/sdr/AALA20160630004), Jun 30, 2016: STOP FITTING. CRACKED. AIRCRAFT WAS IN BASE MAINTENANCE. FORWARD CARGO DOOR BOTTOM FORWARD STOP PAD FITTING IS CRACKED. R & R FITTING IAW DWG 5910141.
- [SDR AALA20160630003](https://openairdocs.org/sdr/AALA20160630003), Jun 30, 2016: STOP FITTING. CRACKED. AIRCRAFT WAS IN BASE MAINTENANCE. FORWARD CARGO DOOR TOP FORWARD STOP PAD FITTING IS CRACKED. R & R FITTING IAW DWG 5910141.
- [SDR AALA20151210002](https://openairdocs.org/sdr/AALA20151210002), Dec 9, 2015: BATTERY PACK. DISCHARGED. REFERENCE WORK CARD 5403. EGRESS POWER SUPPLY AB5-3 FAILED TEST. REPLACED AB5-3 EGRESS LIGHT POWER SUPPLY BATTERY PACK IAW AMM 33-60-98. TESTED OK. THE ACFT WAS
- [SDR AALA20151004003](https://openairdocs.org/sdr/AALA20151004003), Oct 4, 2015: SWITCH. FAULTY. RIGHT ENG OIL STRAINER CLOGGING LIGHT CAME ON DURING DEPARTURE. CREW RAN THE CHECKLIST, DECLARED AN EMER & RETURNED TO FIELD. DURING THE RETURN, THE RT ENG WAS 
- [SDR AALA20150806002](https://openairdocs.org/sdr/AALA20150806002), Aug 6, 2015: LENS. BROKEN. EMERGENCY TAIL CONE HANDLE LIGHT ASSEMBLY LENS BROKEN. R & R TAIL CONE HANDLE LIGHT ASSEMBLY IAW AMM 33-53-00 & WDM 33-51-15. PERFORMED OPERATIONAL CHECK, SYS C
- [SDR AALA20150423007](https://openairdocs.org/sdr/AALA20150423007), Apr 23, 2015: DOOR. MALFUNCTIONED. NOSE GEAR DOORS DID NOT CLOSE PROPERLY AFTER TAKEOFF. NO EMERGENCY DECLARED & LANDING UNEVENTFUL. PERFORMED NOSE GEAR SWING TO VERIFY PROPER OPERATION IAW MCC 3
- [SDR AALA20150119005](https://openairdocs.org/sdr/AALA20150119005), Jan 19, 2015: ANGLE. CORRODED. RIGHT CUSP T ANGLE CORRODED BETWEEN FS 180 & 227. R & R ANGLE IAW SRM 53-30-05, SRM 53-05-00, SRM 51-10-03, SRM 51-30-05 & AMM 20-10-15.
- [SDR AALA20150119003](https://openairdocs.org/sdr/AALA20150119003), Jan 19, 2015: SEAT TRACK. CORRODED. CABIN SEAT TRACK NR 5 HAS CORROSION FROM FS 210 TO 256 ON OTBD FLANGE. REPAIRED SEAT TRACK IAW SRM 53-05-00-4F.
- [SDR AALA20150118005](https://openairdocs.org/sdr/AALA20150118005), Jan 18, 2015: STIFFENER. CRACKED. CRACK IN STATION 1338 BULKHEAD STIFFENER UPPER END FWD SIDE ABOVE VAULT DOOR JAMB CTR AREA. R & R STIFFENER IAW SRM 51-30-05 & 51-60-00 5 B.
- [SDR AALA20150118004](https://openairdocs.org/sdr/AALA20150118004), Jan 18, 2015: MOUNT FITTING. CORRODED. NUMBER 2 GALLEY MOUNT AT FWD END OF NR 6 SEAT TRACK IS CORRODED. R & R GALLEY MOUNT IAW AARD 51-00-05-1 & DWG 5930547.
- [SDR AALA20150118003](https://openairdocs.org/sdr/AALA20150118003), Jan 18, 2015: SEAT TRACK. CORRODED. NUMBER 6 SEAT TRACK CORRODED FROM FS 215 TO 285. R & R SEAT TRACK SECTION IAW SRM 53-05-00-001 FIG 4F.
- [SDR AALA20150116029](https://openairdocs.org/sdr/AALA20150116029), Jan 16, 2015: BEAM. CRACKED. FORWARD ENTRY DOOR BEAM, NR 8 BEAM IS CRACKED AT FWD END. R & R BEAM IAW AARD 51-00-05 REPAIR 1 EA COMP-52-038127 DATE 01/14/2015 & DWG 5910081.
- [SDR AALA20150116014](https://openairdocs.org/sdr/AALA20150116014), Jan 16, 2015: DIAPHRAGM. DAMAGED. SEVERAL RIVETS PULLED THROUGH DIAPHRAGM SHEET ON RT OF ELECTRONICS BAY BETWEEN FS 195 & 200 ABOVE PNEUMATIC DUCT. INSTALLED DOUBLER REPAIR IAW AARD 53-20-00-16.
- [SDR AALA20150115017](https://openairdocs.org/sdr/AALA20150115017), Jan 15, 2015: CUSP WEB. CORRODED. CORROSION ON RT DIAPHRAGM DOUBLER CUSP SHEET BETWEEN STATIONS 200 & 218. INSTALLED CUSP SHEET BETWEEN STATIONS 200 & 218 IAW AARD 53-20-00-16.
- [SDR AALA20150115016](https://openairdocs.org/sdr/AALA20150115016), Jan 15, 2015: CUSP WEB. CORRODED. CORROSION ON RT CUSP BETWEEN STATIONS 218 - 235 OUT OF LIMITS. REPLACED CUSP SHEET IAW AARD 51-00-05-01 & DWG 9930538.
- [SDR AALA20150115009](https://openairdocs.org/sdr/AALA20150115009), Jan 15, 2015: WEB. CRACKED. SUBFLOOR CRACKED AT FS 218, 3 INCHES OTBD OF NR 4 SEAT TRACK. INSTALLED REPAIR DOUBLERS IAW AARD 53-20-00-16.
- [SDR AALA20150115007](https://openairdocs.org/sdr/AALA20150115007), Jan 15, 2015: LONGERON. CORRODED. LONGERON 29 LT IS CORRODED AT FS 1287. SPLICE REPAIR INSTALLED IAW SRM 53-02-00-001 FIG 18.
- [SDR AALA20150114006](https://openairdocs.org/sdr/AALA20150114006), Jan 14, 2015: CUSP WEB. CORRODED. RIGHT CUSP SHEET CORRODED BETWEEN FS 788 & 807. REMOVED & INSTALLED NEW CUSP SHEET IAW AARD 51-00-05-1.
- [SDR AALA20150114011](https://openairdocs.org/sdr/AALA20150114011), Jan 14, 2015: CUSP WEB. CRACKED. LEFT CUSP CRACKED AT FS 241. INSTALLED CUSP DOUBLER IAW AARM 63-20-00-16.
- [SDR AALA20150113009](https://openairdocs.org/sdr/AALA20150113009), Jan 13, 2015: CUSP WEB. CRACKED. CRACK IN CUSP UNDER HORSESHOE COLLAR AT FRAME STATION 845 LT SIDE. INSTALLED CUSP DOUBLER IAW AARD 53-20-00-16.
- [SDR AALA20150112014](https://openairdocs.org/sdr/AALA20150112014), Jan 12, 2015: FORMER. CRACKED. RIGHT WING LE NR 4 SLAT TRACK INBD FORMER IS CRACKED. INSTALLED RT WING NR 4 INBD FORMER DOUBLER & HAT BUSHING IAW WC 57-98-06.
- [SDR AALA20150109021](https://openairdocs.org/sdr/AALA20150109021), Jan 9, 2015: CHANNEL. CORRODED. AFT CARGO COMPARTMENT FLOOR SUPPORT Z CHANNEL IS CORRODED BETWEEN FS 1155 & 1136 AT LONGERON 25 RT. R & R CHANNEL IAW IPC 25-52-00-03L & SRM 51-30-01.
- [SDR AALA20150109022](https://openairdocs.org/sdr/AALA20150109022), Jan 9, 2015: STIFFENER. CRACKED. RIGHT UPPER WING STIFFENER ANGLE CRACKED IN VENT TANK ACCESS 1440C BETWEEN XW 486 & XW 536. R & R STIFFENER ON RT UPPER WING VENT TANK ACCESS 1440C BETWEEN XW 4
- [SDR AALA20150109020](https://openairdocs.org/sdr/AALA20150109020), Jan 9, 2015: DOUBLER. CRACKED. TAIL VERTICAL STABILIZER HAS CRACKED DOUBLER ON RT FUSELAGE TO VERTICAL STABILIZER SKATE ANGLE AT CANT FRAME 1463. R & R ANGLE DOUBLER IAW AARD 51-00-05-01.
- [SDR AALA20150109011](https://openairdocs.org/sdr/AALA20150109011), Jan 9, 2015: CARGO TRACK. CORRODED. RIGHT FWD TIE DOWN TRACK IN AFT CARGO CORRODED BETWEEN STATIONS 1136 & 1155 ABOVE, LONGERON 27R. INSTALLED NEW TIE DOWN TRACK IAW SRM 51-30-01.
- [SDR AALA20150108013](https://openairdocs.org/sdr/AALA20150108013), Jan 8, 2015: BRACKET. CRACKED. STATION 180 FLOORBEAM INTERCOSTAL ANGLE CRACKED 11 INCHES LT OF CTR LINE. INSTALLED NEW BRACKET IAW SRM 53-14-01-001 & DWG 9923484.

All 127: https://openairdocs.org/aircraft/N7550/reports.md

## Service difficulty reports on N7550 not matched to an aircraft (1)

They name N7550, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR CALA2024041901150](https://openairdocs.org/sdr/CALA2024041901150), Apr 19, 2024: BRAKE ASSY. CRACKED. #3 MLG BRAKE ASSY HAS MULTIPLE CRACKED ROTOR CLIPS R&R #3 MLG BRAKE ASSY REF AMM 32-41-41. OPS AND LEAK CK GOOD.

## STCs that may be installed (OpenAirDocs) (494, 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 (Mcdonnell Douglas DC-9-82(MD-82))

- [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 ST01649AT-D](https://openairdocs.org/stc/ST01649AT-D): Installation of Collins DLM-900 Acars system. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST01650AT-D](https://openairdocs.org/stc/ST01650AT-D): Installation of Collins VHF-900 Communication system. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST01765AT-D](https://openairdocs.org/stc/ST01765AT-D): Installation of Collins VHF-900 Communications System in a provisioned aircraft. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST01766AT-D](https://openairdocs.org/stc/ST01766AT-D): Installation of Collins DLM-900 ACARS system with a Miltope printer, in a provisioned aircraft. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST02463AT](https://openairdocs.org/stc/ST02463AT): Installation of an Intrusion/Penetration Resistance Flightdeck Door and Reinforced Flightdeck Door Surround. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST02945AT-D](https://openairdocs.org/stc/ST02945AT-D): Interior Reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST00952LA](https://openairdocs.org/stc/ST00952LA): Installation of Mass Systems fire extinguisher cartridges as replacements for Kidde fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON LLC d/b/a MASS Systems
- [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 ST04752NY](https://openairdocs.org/stc/ST04752NY): Replacement of Dual Analog Radio Altimeter Transceivers with Dual 5G Tolerant Collins Aerospace or Honeywell Digital Radio Altimeters Transceivers and Dual Shadin Digital-to-Analog Converters. S. LB Aircraft Engineering
- [STC ST00030IB](https://openairdocs.org/stc/ST00030IB): Installation of Test Tech ELT. APTOZ EHF
- [STC ST09180AC](https://openairdocs.org/stc/ST09180AC): Installation of DeVore Wing Forward Position Lights. The Boeing Company
- [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc
- [STC SA2040NM](https://openairdocs.org/stc/SA2040NM): Installation of closet and windscreen. Safran Cabin Inc
- [STC SA3469NM](https://openairdocs.org/stc/SA3469NM): Installation of Closet/Stowage Compartments/Coat Compartment/ Coatroom. Safran Cabin Inc
- [STC SA3494NM](https://openairdocs.org/stc/SA3494NM): Installation of auxiliary galley. Safran Cabin Inc. Lists DC-9 Series
- [STC SA3497NM](https://openairdocs.org/stc/SA3497NM): Installation of closet/stowage units. Safran Cabin Inc
- [STC SA4744NM](https://openairdocs.org/stc/SA4744NM): Installation of Extended Spacial Concept Interior III Retrofit Kit. Safran Cabin Inc
- [STC SA4770NM](https://openairdocs.org/stc/SA4770NM): Installation of a Modular Lavatory(Retrofit Installation). Safran Cabin Inc
- [STC SA4822NM](https://openairdocs.org/stc/SA4822NM): Installation of galleys, coatrooms, and a partition. Safran Cabin Inc
- [STC SA5786NM](https://openairdocs.org/stc/SA5786NM): Installation of an overhead life raft stowage compartment kit. Safran Cabin Inc
- [STC ST00127NY-D](https://openairdocs.org/stc/ST00127NY-D): Installation - Overhead Stowage. Safran Cabin Inc
- [STC ST00128LA](https://openairdocs.org/stc/ST00128LA): Installation of moveable class divider. Safran Cabin Inc
- [STC ST00227LA](https://openairdocs.org/stc/ST00227LA): Installation of Class Divider. Safran Cabin Inc
- [STC ST00347SE](https://openairdocs.org/stc/ST00347SE): Installation of interior kits. Safran Cabin Inc
- [STC ST00481SE](https://openairdocs.org/stc/ST00481SE): Installation of interior kits. Safran Cabin Inc
- [STC ST00649LA](https://openairdocs.org/stc/ST00649LA): Installation of Sidewall Panel Installation. Safran Cabin Inc
- [STC ST00686LA](https://openairdocs.org/stc/ST00686LA): Installation of galleys, closets, lavatories and partitions. Safran Cabin Inc
- [STC ST00687LA](https://openairdocs.org/stc/ST00687LA): Installation of Interior Kit. Safran Cabin Inc
- [STC ST00867SE](https://openairdocs.org/stc/ST00867SE): Modification to overhead stowage bins located in the passenger cabin in order to extend the bins inboard. Safran Cabin Inc
- [STC ST00868SE](https://openairdocs.org/stc/ST00868SE): Modification to overhead stowage bins located in the passenger cabin in order to extend the bins inboard. Safran Cabin Inc
- [STC ST01056LA](https://openairdocs.org/stc/ST01056LA): Installation of galleys, closet, stowage SIA, forward lavatory, bin, class divider (movable), sidewall and ceiling panels. Safran Cabin Inc
- [STC ST01147LA](https://openairdocs.org/stc/ST01147LA): Installation of a coat closet p/n 501086-1. Safran Cabin Inc
- [STC ST01336LA](https://openairdocs.org/stc/ST01336LA): Installation of a reinforced cockpit door. Safran Cabin Inc
- [STC ST01683LA](https://openairdocs.org/stc/ST01683LA): Installation of ceiling panel installation. Safran Cabin Inc
- [STC SA3165NM](https://openairdocs.org/stc/SA3165NM): Installation of Floor Proximity Emergency Escape Path Marking System. Bruce Aerospace Inc
- [STC ST00092LA](https://openairdocs.org/stc/ST00092LA): Instalation of interior fluorescent cabin lighting system. Bruce Aerospace Inc
- [STC ST00689LA](https://openairdocs.org/stc/ST00689LA): Installation of Bruce Industries Overhead Emergency Exit Marking and Locator System. Bruce Aerospace Inc
- [STC ST00069AT](https://openairdocs.org/stc/ST00069AT): Installation of a Fairchild Digital or Sundstrand Universal expanded parameters digital flight data recorder. Acron Aviation Inc
- [STC ST01518NY](https://openairdocs.org/stc/ST01518NY): Installation of Flight Systems Cabin Surveillance System (CSS). Acron Aviation Inc
- [STC ST03560AT](https://openairdocs.org/stc/ST03560AT): Installation of L3 Communications Aviation Recorders Micro Quick Access Recorder (uQAR) o. Acron Aviation 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 ST00694CH](https://openairdocs.org/stc/ST00694CH): Installation of single or dual Honeywell HT-9100 GNSS GPS Navigation Systems. Amphenol Cable and Interconnect Technologies Inc
- [STC ST00984CH](https://openairdocs.org/stc/ST00984CH): Installation of Rockwell Collins FPI-955 Electronic Horizontal Situation Indicators (EHSI). Amphenol Cable and Interconnect Technologies Inc
- [STC ST01017CH](https://openairdocs.org/stc/ST01017CH): Installation of an AlliedSignal CAS-81 TCAS II System with dual AlliedSignal Mode S Transponders. Amphenol Cable and Interconnect Technologies Inc
- [STC ST01019CH](https://openairdocs.org/stc/ST01019CH): Installation of a Rockwell Collins GNLS-910 GPS Flight Management System. Amphenol Cable and Interconnect Technologies Inc
- [STC ST01167CH](https://openairdocs.org/stc/ST01167CH): Installation of an AlliedSignal MK-VII Enhanced Ground Proximity Warning System. Amphenol Cable and Interconnect Technologies, Inc
- [STC ST01404CH](https://openairdocs.org/stc/ST01404CH): Installation of Universal Avionics System Corporation Multi-Function Display. Amphenol Cable and Interconnect Technologies, Inc
- [STC ST01818CH](https://openairdocs.org/stc/ST01818CH): Installation of a Honeywell Enhanced Ground Proximity Warning System. Amphenol Cable and Interconnect Technologies, Inc
- [STC ST01887CH](https://openairdocs.org/stc/ST01887CH): Installation of GPS antenna provisions. Amphenol Cable and Interconnect Technologies, Inc

All 494: https://openairdocs.org/aircraft/N7550/stcs.md

## Related

- Other Mcdonnell Douglas DC-9-82(MD-82) aircraft: https://openairdocs.org/model/mcdonnell-douglas-dc-9-82-md-82/aircraft.md
- The Pratt & Whitney JT8D series engine: https://openairdocs.org/engine/pratt-whitney-jt8d-series.md

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