# N7721E: 2006 Boeing 737-7BD

- Status: Valid registration
- Airframe: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (registry code 1384511, 149 seats)
- Engine: [CFM International CFM56 series](https://openairdocs.org/engine/cfm-international-cfm56-series) (registry code 13802)
- Serial number: 34479
- Year built: 2006
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: February 13, 2006
- Certificate issued: February 24, 2014
- Expires: February 28, 2030
- Mode S code: AA72F5
- Registered owner: [Southwest Airlines Co](https://openairdocs.org/faa-owner/SOUTHWEST%20AIRLINES%20CO)
- Location: [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas)
- Owner type: Corporation
- Owner's area on the map: 32.8326° N, 96.8491° W: Placed by OpenAirDocs at the center of ZIP code 75235, 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=7721E
- Page: https://openairdocs.org/aircraft/N7721E

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 CFM International CFM56 model are included.

## ADs that may apply (OpenAirDocs): 55 in force

### Matched by airframe (Boeing 737-7BD)

None in force.

### Matched by engine (CFM International CFM56 series)

- [AD 2023-05-05](https://openairdocs.org/ad/2023-05-05): Turbine Engine Compressor Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/3 and 98 more. Effective May 10, 2023
- [AD 2022-02-03](https://openairdocs.org/ad/2022-02-03): Turbine Engine Accessory Drive · CFM International CFM56-3, CFM56-3B, CFM56-3C and 34 more. Effective Mar 22, 2022
- [AD 2021-16-08](https://openairdocs.org/ad/2021-16-08): Turbine Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/P and 55 more. Effective Sep 28, 2021
- [AD 2018-26-01](https://openairdocs.org/ad/2018-26-01): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jan 10, 2019
- [AD 2018-09-51](https://openairdocs.org/ad/2018-09-51): Engine · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jun 7, 2018
- [AD 2017-14-08](https://openairdocs.org/ad/2017-14-08): Turbine Engine Compressor Section · CFM International CFM56-3, CFM56-3B and CFM56-3C. Effective Aug 18, 2017
- [AD 2017-05-09](https://openairdocs.org/ad/2017-05-09): Accessory Gearboxes · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/3 and 33 more. Effective Apr 13, 2017
- [AD 2016-14-10](https://openairdocs.org/ad/2016-14-10): High-pressure turbine (HPT) disks · CFM International CFM56-3, CFM56-3B and CFM56-3C with STC SE00034EN. Effective Aug 9, 2016
- [AD 2016-02-04](https://openairdocs.org/ad/2016-02-04): Turbine rear frames (TRFs) · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/3 and 33 more. Effective Mar 1, 2016
- [AD 2015-18-04](https://openairdocs.org/ad/2015-18-04): 73-tooth gearshaft located in the engine accessory gearbox (AGB) · CFM International CFM56-3, CFM56-7B20, CFM56-7B20/2 and 47 more. Effective Oct 20, 2015
- [AD 2015-04-02](https://openairdocs.org/ad/2015-04-02): Dual engine thrust instability event · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Mar 31, 2015
- [AD 2013-14-06](https://openairdocs.org/ad/2013-14-06): Hydro-mechanical unit (HMU) fuel control · CFM International CFM56-5, CFM56-5B1, CFM56-5B1/2P and 34 more. Effective Sep 3, 2013
- [AD 2012-02-03](https://openairdocs.org/ad/2012-02-03): Engine · CFM International CFM56-5B1/3, CFM56-5B2/3, CFM56-5B3/3 and 8 more. Effective Mar 15, 2012
- [AD 2010-13-09](https://openairdocs.org/ad/2010-13-09): Stage 3 low-pressure turbine (LPT) · CFM International CFM56-5, CFM56-5-A1/F, CFM56-5A4 and 88 more. Effective Jul 26, 2010
- [AD 2010-12-03](https://openairdocs.org/ad/2010-12-03): Fan blades · CFM International CFM56-3 and CFM56-3B. Effective Jul 13, 2010
- [AD 2010-09-14](https://openairdocs.org/ad/2010-09-14): Exhaust gas temperature (EGT) · CFM International CFM56-5B1/2P, CFM56-5B1/P, CFM56-5B2/2P and 16 more. Effective Jun 8, 2010
- [AD 2010-01-05](https://openairdocs.org/ad/2010-01-05): LP turbine rear frames · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 25 more. Effective Feb 18, 2010
- [AD 2009-18-01](https://openairdocs.org/ad/2009-18-01): LP turbine rear frames · CFM International CFM56-5B1/3, CFM56-5B1/P, CFM56-5B2/3 and 19 more. Effective Oct 1, 2009
- [AD 2009-11-02](https://openairdocs.org/ad/2009-11-02): HPC 4-9 spools · CFM International CFM56-2, CFM56-2A, CFM56-2B and 109 more. Effective Jun 23, 2009
- [AD 2008-03-09](https://openairdocs.org/ad/2008-03-09): Low pressure turbine rear frames (TRFs) · CFM International CFM56-7B18, CFM56-7B20, CFM56-7B22 and 10 more. Effective Mar 10, 2008
- [AD 2007-24-04](https://openairdocs.org/ad/2007-24-04): Low pressure turbine (LPT) · CFM International CFM56-5C4/1. Effective Dec 6, 2007
- [AD 2007-03-15](https://openairdocs.org/ad/2007-03-15): Exhaust gas temperature (EGT) harness · CFM International CFM56-5, CFM56-5B1, CFM56-5B1/2P and 34 more. Effective Mar 19, 2007
- [AD 2006-26-01](https://openairdocs.org/ad/2006-26-01): Fuel filters · CFM International CFM56-2, CFM56-2A, CFM56-2B and 93 more. Effective Jan 3, 2007
- [AD 2005-10-05](https://openairdocs.org/ad/2005-10-05): Air turbine starters · CFM International CFM56-5, CFM56-5B1, CFM56-5B1/2P and 50 more. Effective Jun 14, 2005
- [AD 97-09-02 R3](https://openairdocs.org/ad/97-09-02-R3): High pressure turbine rotor (HPTR) front shafts · CFM International CFM56-5C2, CFM56-5C3/G and CFM56-5C4. Effective Oct 14, 2004
- [AD 2004-10-13](https://openairdocs.org/ad/2004-10-13): Service main fuel pumps · CFM International CFM56-3, CFM56-5, CFM56-5-A1/F and 4 more. Effective Jun 24, 2004
- [AD 2002-22-12](https://openairdocs.org/ad/2002-22-12): Titeflex hoses · BAE Systems ATP, Avro 146-RJ100A, Avro 146-RJ70A and 122 more. Effective Dec 13, 2002
- [AD 2002-16-18](https://openairdocs.org/ad/2002-16-18): Low pressure turbine (LPT) nozzle segments · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/P and 33 more. Effective Sep 18, 2002
- [AD 2002-13-03](https://openairdocs.org/ad/2002-13-03): Turbofan Engines · CFM International CFM56-2, CFM56-2A, CFM56-2B and 55 more. Effective Aug 1, 2002
- [AD 2002-02-13](https://openairdocs.org/ad/2002-02-13): Magnetic Drain Plug · CFM International CFM56-5, CFM56-5-A1/F, CFM56-5A4 and 33 more. Effective Mar 21, 2002
- [AD 2001-11-05](https://openairdocs.org/ad/2001-11-05): No. 4 Bearings · CFM International CFM56-2, CFM56-2B, CFM56-3 and 45 more. Effective Jun 11, 2001
- [AD 2001-09-17](https://openairdocs.org/ad/2001-09-17): Fuel Manifold and CJ9L Harness · CFM International CFM56-5C2, CFM56-5C2/4, CFM56-5C2/F and 13 more. Effective May 14, 2001
- [AD 2001-04-06](https://openairdocs.org/ad/2001-04-06): Fan Disk · CFM International CFM56-3, CFM56-3B and CFM56-3C. Effective Apr 4, 2001
- [AD 2001-02-12](https://openairdocs.org/ad/2001-02-12): On-Wing Torque Inspection · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 11 more. Effective Feb 14, 2001
- [AD 2000-15-01](https://openairdocs.org/ad/2000-15-01): Fuel Leakage · CFM International CFM56-2, CFM56-2A, CFM56-2B and 39 more. Effective Oct 2, 2000
- [AD 2000-05-22](https://openairdocs.org/ad/2000-05-22): CFM International CFM56-2, CFM56-2A, CFM56-2B and 3 more. Effective May 2, 2000
- [AD 99-06-16](https://openairdocs.org/ad/99-06-16): High Pressure Turbine Rotor (HPTR) Front Air Seal · CFM International CFM56-5, CFM56-5-A1/F, CFM56-5A4 and 3 more. Effective Apr 21, 1999
- [AD 98-21-23](https://openairdocs.org/ad/98-21-23): Electronic Engine Control · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 10 more. Effective Nov 2, 1998
- [AD 98-19-20](https://openairdocs.org/ad/98-19-20): Hydromechanical Unit · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 7 more. Effective Oct 7, 1998
- [AD 98-14-51](https://openairdocs.org/ad/98-14-51): Accessory Gearbox · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 10 more. Effective Oct 1, 1998
- [AD 98-19-10](https://openairdocs.org/ad/98-19-10): Accessory Gearbox · CFM International CFM56-3, CFM56-3B and CFM56-3C. Effective Sep 28, 1998
- [AD 98-12-32](https://openairdocs.org/ad/98-12-32): High Pressure Turbine Rotor Disks · CFM International CFM56-2, CFM56-2A, CFM56-2B and 3 more. Effective Jul 20, 1998
- [AD 98-10-11](https://openairdocs.org/ad/98-10-11): Accessory Gearbox · CFM International CFM56-3, CFM56-3B, CFM56-3C and 31 more. Effective Jun 3, 1998
- [AD 98-07-02](https://openairdocs.org/ad/98-07-02): Air/oil Seal · CFM International CFM56-3, CFM56-3B and CFM56-3C. Effective Mar 30, 1998
- [AD 98-02-04](https://openairdocs.org/ad/98-02-04): Low Pressure Turbine Case · CFM International CFM56-5B1/2P, CFM56-5B2/2P, CFM56-5B3/2P and 1 more. Effective Mar 23, 1998
- [AD 89-23-06 R1](https://openairdocs.org/ad/89-23-06-R1): Magnetic Chip Detector · CFM International CFM56-2, CFM56-2A, CFM56-3 and 8 more. Effective Jan 28, 1998
- [AD 97-08-01](https://openairdocs.org/ad/97-08-01): Fan Disks · CFM International CFM56-3, CFM56-3B and CFM56-3C. Effective Jun 23, 1997
- [AD 97-06-01](https://openairdocs.org/ad/97-06-01): High Pressure Compressor Rotor (HPCR) Stage 1-2 Spool · CFM International CFM56-5, CFM56-5B1, CFM56-5B1/2P and 28 more. Effective Jun 3, 1997
- [AD 97-05-13](https://openairdocs.org/ad/97-05-13): Air Turbine Engine Starter · CFM International CFM56-5, CFM56-5-A1/F, CFM56-5A4 and 3 more. Effective Jun 3, 1997
- [AD 96-25-11](https://openairdocs.org/ad/96-25-11): Redesigned Fan Blades · CFM International CFM56-3B and CFM56-3C. Effective Jan 29, 1997

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

- [AD 2021-10-09](https://openairdocs.org/ad/2021-10-09) (historical): Turbine Engine Compressor Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/3 and 82 more. Effective Jun 24, 2021
- [AD 2019-12-05](https://openairdocs.org/ad/2019-12-05) (historical): Turbine Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/P and 39 more. Effective Jul 5, 2019
- [AD 2018-18-01](https://openairdocs.org/ad/2018-18-01) (historical): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Oct 16, 2018
- [AD 2018-10-11](https://openairdocs.org/ad/2018-10-11) (historical): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jun 1, 2018
- [AD 2018-09-10](https://openairdocs.org/ad/2018-09-10) (historical): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective May 14, 2018
- [AD 2013-26-01](https://openairdocs.org/ad/2013-26-01) (historical): Oil dynamic seal assembly · CFM International CFM56-3, CFM56-3B, CFM56-3C and 52 more. Effective Feb 3, 2014
- [AD 2013-02-02](https://openairdocs.org/ad/2013-02-02) (historical): High-pressure turbine (HPT) disks · CFM International CFM56-3, CFM56-3B and CFM56-3C with STC SE00034EN. Effective Jan 28, 2013
- [AD 2009-01-01](https://openairdocs.org/ad/2009-01-01) (historical): Exhaust gas temperature (EGT) · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/P and 22 more. Effective Dec 31, 2008
- [AD 97-09-02 R2](https://openairdocs.org/ad/97-09-02-R2) (historical): Low pressure turbine rotor (LPTR) · CFM International CFM56-5C2, CFM56-5C2/4, CFM56-5C2/F and 9 more. Effective Apr 29, 2003
- [AD 2003-02-04](https://openairdocs.org/ad/2003-02-04) (historical): Exhaust gas temperature (EGT) · CFM International CFM56-5 Series (all). Effective Feb 27, 2003
- [AD 97-09-02 R1](https://openairdocs.org/ad/97-09-02-R1) (historical): High Pressure Turbine rotor (HPTR) front shaft · CFM International CFM56-5C2/G, CFM56-5C2/G4, CFM56-5C3/G and 3 more. Effective Sep 24, 2002
- [AD 2001-17-14](https://openairdocs.org/ad/2001-17-14) (historical): LPT Conical Supports · CFM International CFM56-5C4/1. Effective Sep 7, 2001
- [AD 2001-08-51](https://openairdocs.org/ad/2001-08-51) (historical): Fuel leakage · CFM International CFM56-5 Series (all)
- [AD 2000-12-01](https://openairdocs.org/ad/2000-12-01) (historical): Critical Life-Limited Parts · CFM International CFM56-2, CFM56-2A, CFM56-2B and 54 more. Effective Dec 11, 2000
- [AD 99-08-16](https://openairdocs.org/ad/99-08-16) (historical): CFM International CFM56-2, CFM56-2A, CFM56-2B and 3 more. Effective May 13, 1999
- [AD 97-09-02](https://openairdocs.org/ad/97-09-02) (historical): High/Low Pressure Turbine Rotor · CFM International CFM56-5C2/G, CFM56-5C2/G4, CFM56-5C3/G and 3 more. Effective Jun 30, 1997

All 71: https://openairdocs.org/aircraft/N7721E/ads.md

## Information bulletins (advisory) (4 in force)

- [SAIB NE-08-17R3](https://openairdocs.org/saib/NE-08-17R3): Turbine Section - Propulsion Technology LLC Unapproved Repair. Issued May 28, 2014
- [SAIB NE-13-33R2](https://openairdocs.org/saib/NE-13-33R2): Turbine Engine Air Inlet Section - LP Turbine, Stage 1 Nozzle Vanes. Issued Jan 28, 2014
- [SAIB NE-12-29](https://openairdocs.org/saib/NE-12-29): Engine Fuel Distribution  CFM56-5B LPTACC Fuel Manifold. Issued Apr 27, 2012
- [SAIB NE-06-02](https://openairdocs.org/saib/NE-06-02): . Issued Oct 18, 2005
- [SAIB NE-13-33R1](https://openairdocs.org/saib/NE-13-33R1) (historical): Turbine Engine Air Inlet Section - LP Turbine, Stage 1 Nozzle Vanes. Issued Jun 24, 2013
- [SAIB NE-13-33](https://openairdocs.org/saib/NE-13-33) (historical): Turbine Engine Air Inlet Section - LP Turbine, Stage 1 Nozzle Vanes. Issued May 13, 2013
- [SAIB NE-08-17R2](https://openairdocs.org/saib/NE-08-17R2) (historical): Turbine Section - Propulsion Technology LLC Unapproved Repair. Issued Mar 7, 2011
- [SAIB NE-08-17R1](https://openairdocs.org/saib/NE-08-17R1) (historical): Propulsion Technology LLC Unapproved Repair. Issued May 22, 2008
- [SAIB NE-08-17](https://openairdocs.org/saib/NE-08-17) (historical): Propulsion Technologies International Unapproved Repair. Issued May 14, 2008

## NTSB investigations

None matched to N7721E.

## FAA accident and incident reports

None matched to N7721E.

## Service difficulty reports (268, 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 SWAA2026091868730](https://openairdocs.org/sdr/SWAA2026091868730), Sep 14, 2026: ENGINE. VIBRATION. NR 2 ENGINE HIGH VIBRATIONS AFTER TAKEOFF. REMOVED AND REPLACED NR 2 ENGINE IAW T/C 771-00-01 REF
- [SDR SWAA2026091753307](https://openairdocs.org/sdr/SWAA2026091753307), Sep 13, 2026: GIRT BAR. LOOSE. FOUND L1 DOOR ESCAPE SLIDE GURT BAR CLIP LOOSE_ RESECURED L1 DOOR GIRT BAR CLIP IAW SRM 51-40-02 RESECURED L1 DOOR ESCAPE SLIDE GIRT BAR IAW SRM 51-40-02
- [SDR SWAA2026091119542](https://openairdocs.org/sdr/SWAA2026091119542), Sep 3, 2026: STIFFENER. CRACKED. OTS - FUEL TANK STIFFENER AT STA 540, 26RBL CRACKED AT THE TOP REPAIRS. MX FERRIED FROM DAL._ REMOVED AND REPLACED VERTICAL STIFFENER FS 540 RBL 24.91 IAW B737 
- [SDR SWAA2026090761321](https://openairdocs.org/sdr/SWAA2026090761321), Sep 3, 2026: DOOR. CRACKED. LEFT MLG MIDDLE DOOR LOWER FORWARD CORNER WEB CRACKED. REMOVED THE LT MLG CTR & INNER DOOR ASSY IAW AMM 32-13-11 & CDL 32-10-3 XC. OK FOR CONTINUED SERVICE.
- [SDR SWAA2026072166885](https://openairdocs.org/sdr/SWAA2026072166885), Jul 20, 2026: BATTERY. INOPERATIVE. CABIN MEGAPHONE INOPERATIVE. REPLACED THE BATTERIES IAW AMM 25-64-00. MEGAPHONE TESTS NORMAL ACFT OK FOR SERVICE.
- [SDR SWAA2026070217968](https://openairdocs.org/sdr/SWAA2026070217968), Jul 2, 2026: SLIDE. DETACHED. GIRT BAR DETACHED FROM HOLDER IN FWD GALLEY ON FO SIDE<[01] R&R?D FWD SERVICE DOOR ESCAPE SLIDE PER MT 725-61-06
- [SDR SWAA2026070217991](https://openairdocs.org/sdr/SWAA2026070217991), Jul 1, 2026: GIRT BAR. OUT OF ADJUST. GRIT BAR DETACHED FROM HOLDER ON FWD SVC DOOR. ADJUSTED GIRT BAR AS REQUIRED IAW AM 25-66-01. OPS. CHECKED GOOD
- [SDR SWAA2025091514080](https://openairdocs.org/sdr/SWAA2025091514080), Sep 12, 2025: EXTINGUISHER. NO DISCREPANCY. AFT CARGO FIRE ILLUMINATED ON CLIMB OUT FL250 DECLARED EMERGENCY; RETURNED TO DAL. DISCHARGE FIRE BOTTLE IN AFT CARGO. R & R CARGO FIRE EXTINGUISHER BOTTLE AND 
- [SDR SWAA2025091514599](https://openairdocs.org/sdr/SWAA2025091514599), Sep 12, 2025: ELECTRONIC UNIT. FALSE INDICATION. AFT CARGO FIRE ILLUMINATED ON CLIMB OUT FL250 DECLARED EMERGENCY; RETURNED TO DAL. DISCHARGE FIRE BOTTLE IN AFT CARGO. R&R CARGO FIRE EXTINGUISHER BOTTLE AND CA
- [SDR SWAA2025071086906](https://openairdocs.org/sdr/SWAA2025071086906), Jun 30, 2025: INTERCOSTAL. CRACKED. CRACK WEB - INTERCOSTAL AT BS 500B, WL 156, AND RBL 21 IN THE FWD CARGO COMPARTMENT. REPLACED THE WEB-INTERCOSTAL IAW SRM 53-30-53-2R-1, AND DWG 143A7505, SHEET
- [SDR SWAA2025071183154](https://openairdocs.org/sdr/SWAA2025071183154), Jun 18, 2025: ACCESS PANEL. CRACKED. CRACK LEADING EDGE RIB ACCESS PANEL 341B LE STA 105.26 AT RT HORIZONTAL STAB. REPLACED LEADING EDGE RIB ACCESS PANEL 341B LE STA 105.26 AT RT HORIZONTAL STAB IA
- [SDR SWAA2025071182767](https://openairdocs.org/sdr/SWAA2025071182767), Jun 17, 2025: ACCESS PANEL. DEBONDED. DEBONDED ACCESS PANEL 193CL AT LOWER FUSELAGE. REPAIRED ACCESS PANEL 193CL AT LOWER FUSELAGE IAW SRM 51-70-05-2R-2 REPAIR 2.
- [SDR SWAA2025071082138](https://openairdocs.org/sdr/SWAA2025071082138), Jun 16, 2025: NUT. DETERIORATED. DETERIORATED ASSIST HANDLE NUT ON SERVICE DOOR AT FWD GALLEY (1EA). REPLACED ASSIST HANDLE NUT ON SERVICE DOOR AT FWD GALLEY (1EA) IAW B737-700 AMM 52-41-31-400
- [SDR SWAA2025071080737](https://openairdocs.org/sdr/SWAA2025071080737), Jun 11, 2025: SHIELD. CORRODED. CORROSION ON SHIELD LOCATED BTW BS 847 TO BS 867, WL 156, AND RBL 18 IN THE AFT CARGO COMPARTMENT. REPLACED THE SHIELD IAW SRM 51-40-02, AND DWG 146A0081, SHEET
- [SDR SWAA2025071481534](https://openairdocs.org/sdr/SWAA2025071481534), Jun 10, 2025: SILL DRAIN. MISSING. MISSING DRAIN ON UPPER SILL WEB DOOR CUTOUT AT FWD CARGO COMPARTMENT (1E/A). INSTALLED DRAIN LOCATED UPPER SILL WEB DOOR CUTOUT AT FWD CARGO COMPARTMENT IAW DWG
- [SDR SWAA2025071179991](https://openairdocs.org/sdr/SWAA2025071179991), Jun 10, 2025: LIGHT. BROKEN. BROKEN EMERGENCY LIGHT EXIT ASSY AT LAVATORY A AT FWD GALLEY AREA. REPLACED EMERGENCY LIGHT EXIT ASSY AT LAVATORY A AT FWD GALLEY AREA IAW AMM 33-51-01-960-802 
- [SDR SWAA2025071080364](https://openairdocs.org/sdr/SWAA2025071080364), Jun 10, 2025: ANGLE. CORRODED. CORROSION ON ANGLE LOCATED BTW BS 767 TO BS 787, WL 156, RBL 21 IN THE AFT CARGO COMPARTMENT. REPLACED THE ANGLE IAW SRM 51-40-02, SRM 51-10-02, ITEM 9, DWG 146
- [SDR SWAA2025071080371](https://openairdocs.org/sdr/SWAA2025071080371), Jun 10, 2025: SUPPORT. CORRODED. CORROSION ON SUPPORT ZEE LOCATED BTW BS 727 TO BS 847, WL 156, LBL21 IN AFT CARGO COMPARTMENT. REPAIRED THE SUPPORT ZEE IAW SRM 53-00-53-2R-5, REPAIR 5, SRM 51-
- [SDR SWAA2025071080362](https://openairdocs.org/sdr/SWAA2025071080362), Jun 10, 2025: STRAP. CORRODED. CORROSION ON STRAP LOCATED BTW BS 727D TO BS 727E, WL 156, AND RBL 21 TO LBL 21 IN AFT CARGO COMPARTMENT. REPLACED THE STRAP IAW SRM 51-40-02-0G-0.
- [SDR SWAA2025071080365](https://openairdocs.org/sdr/SWAA2025071080365), Jun 10, 2025: SUPPORT. CORRODED. CORROSION ON SUPPORT ZEE LOCATED BTW BS 727D TO BS 767, WL 156, AND RBL 21 IN AFT CARGO COMPARTMENT. REPLACED SUPPORT ZEE IAW SRM 51-10-02-0G-0, PARAGRAPH 9, SR
- [SDR SWAA2025071080363](https://openairdocs.org/sdr/SWAA2025071080363), Jun 10, 2025: SHIELD. CORRODED. CORROSION ON SHIELD WEB LOCATED BTW BS767 TO BS794.3 WL156 RBL21 AT AFT CARGO COMPARTMENT. REPLACED SHIELD WEB ASSY LOCATED BTW BS767 TO BS794.3 WL156 RBL21 AT 
- [SDR SWAA2025071080370](https://openairdocs.org/sdr/SWAA2025071080370), Jun 10, 2025: FRAME. CRACKED. CRACK ON FRAME LOCATED BS 440 BTW STR 8L TO STR 9L AT PASSENGER CABIN. PERFORMED PERMANENT REPAIR ON FRAME IAW EA 25-153-01676-WIP2.
- [SDR SWAA2025071080373](https://openairdocs.org/sdr/SWAA2025071080373), Jun 10, 2025: FRAME. CRACKED. CRACK ON FRAME LOCATED BS 400 BTW STR 8R TO STR 9R. PERFORMED PERMANENT REPAIR ON FRAME IAW EA NO: 25-153-01675-WIP2.
- [SDR SWAA2025071080377](https://openairdocs.org/sdr/SWAA2025071080377), Jun 10, 2025: FRAME. CRACKED. CRACK ON FRAME LOCATED BS 440 BTW STR 8R TO STR 9R. PERFORMED PERMANENT REPAIR IAW EA 25-153-01677-WIP2.
- [SDR SWAA2025071080167](https://openairdocs.org/sdr/SWAA2025071080167), Jun 10, 2025: FRAME. CRACKED. CRACKED FRAME LOCATED BS 827 BTW STR 8R TO STR 9R. PERFORMED PERMANENT REPAIR ON FRAME IAW EA 25-153-01678-WIP1 AND EA 25-153-01678.
- [SDR SWAA2025071080169](https://openairdocs.org/sdr/SWAA2025071080169), Jun 10, 2025: FRAME. CRACKED. CRACKED FRAME LOCATED BS 867 BTW S8R TO S9R. PERFORMED PERMANENT REPAIR TO FRAME IAW EA 25-153-01679-WIP1 AND EA 25-153-01679. RII MAJOR REPAIR WORK PERFORMED.
- [SDR SWAA2025071080361](https://openairdocs.org/sdr/SWAA2025071080361), Jun 10, 2025: FRAME. CRACKED. CRACKED FRAME, BS 400 BTW S8L TO S9L IN PASSENGER CABIN. PERFORMED PERMANENT REPAIR TO FRAME IAW EA 25-153-01674-WIP2.
- [SDR SWAA2025071080369](https://openairdocs.org/sdr/SWAA2025071080369), Jun 10, 2025: CARGO TRACK. CRACKED. CRACK ON CARGO TRACK LBL 18.24 LOCATED BS 767 AFT CARGO COMPARTMENT. PERFORMED REPAIR ON THE CARGO TRACK IAW SRM 53-00-53-2R-3.
- [SDR SWAA2025071080366](https://openairdocs.org/sdr/SWAA2025071080366), Jun 10, 2025: WEB. CORRODED. CORROSION WEB LOCATED BTW BS 747 TO BS 767, WL 156, RBL 21 AFT CARGO COMPARTMENT. REPLACED WEB IAW SRM 51-40-02-0G-0 AND DWG 146A7500, SHEET 88, REV A.
- [SDR SWAA2025071080375](https://openairdocs.org/sdr/SWAA2025071080375), Jun 10, 2025: WEB. CRACKED. CRACK WEB LOCATED BTW BS 927 TO BS 947.5 RBL 21 IN AFT CARGO COMPARTMENT. REPLACED THE WEB AND FASTENERS LOCATED BTW BS927 TO BS947.5 RBL21 AT AFT CARGO COMPART
- [SDR SWAA2025071080378](https://openairdocs.org/sdr/SWAA2025071080378), Jun 10, 2025: SUPPORT ANGLE. CRACKED. CRACK ANGLE LOCATED BTW BS907 TO BS927 AND BTW STR25R TO STR27R AT AFT CARGO COMPARTMENT 2025-363565<[01] REPLACED SUPPORT ANGLE BETWEEN BS 907 TO BS 927 STR 25
- [SDR SWAA2025071179801](https://openairdocs.org/sdr/SWAA2025071179801), Jun 9, 2025: ACCESS PANEL. CRACKED. CRACK ACCESS PANEL 343AT BLADE SEAL SUPPORT ANGLE RT HORIZONTAL STAB. REPLACED BLADE SEAL SUPPORT ANGLE ACCESS PANEL 343AT AT RT HORIZONTAL STAB IAW B737-700 SR
- [SDR SWAA2025071079802](https://openairdocs.org/sdr/SWAA2025071079802), Jun 9, 2025: STRINGER. CRACKED. CRACK ON STRINGER 26L, BS 540 IN FWD CARGO COMPARTMENT. REPAIRED STRINGER 26L LOCATED BETWEEN BS 540 TO BS 500D AT FWD CARGO COMPARTMENT IAW SRM 53-00-03-2R-1 R
- [SDR SWAA2025071479283](https://openairdocs.org/sdr/SWAA2025071479283), Jun 8, 2025: BRACKET. CRACKED. CRACK ON BRACKET INTERNAL AREA RT SIDE AT RBL50 INCH BODY STA 663.75 AT AIR CONDITIONING BAY. REPLACED BRACKET AND FASTENERS ON INTERNAL AREA RT SIDE BTW RBL45.
- [SDR SWAA2025071179620](https://openairdocs.org/sdr/SWAA2025071179620), Jun 8, 2025: PLATE. OUT OF ADJUST. DETERIORATED HARDWARE AND ADAPTER PLATE ON FWD ENTRY AND SERVICE DOOR. REPLACED HARDWARE AND ADAPTER PLATE ON FWD ENTRY AND SERVICE DOOR IAW AMM 25-66-02-400-80
- [SDR SWAA2025071179617](https://openairdocs.org/sdr/SWAA2025071179617), Jun 8, 2025: SCREW. DETERIORATED. DETERIORATED HARDWARE ON THRESHOLD PLATE FWD ENTRY AND SERVICE DOOR. REPLACED HARDWARE ON THRESHOLD PLATE FWD ENTRY AND SERVICE DOOR IAW BOEING SOPM 20-50-01; R
- [SDR SWAA2025071079625](https://openairdocs.org/sdr/SWAA2025071079625), Jun 8, 2025: SUPPORT. CORRODED. CORROSION ON SUPPORT ZEE LOCATED BTW BS 500A TO BS 500C, WL 156, AND RBL 21 IN THE FWD CARGO COMPARTMENT. REPLACED SUPPORT ZEE IAW SRM 51-10-02, ITEM 9, SRM 51-
- [SDR SWAA2025071079281](https://openairdocs.org/sdr/SWAA2025071079281), Jun 8, 2025: BEAR STRAP. CRACKED. CRACK INDICATION FOUND ON SERVICE DOOR FWD UPPER BEAR STRAP AT BS 294.5 BTW S8R TO S9R. CRACK LENGTH:0.187 INCH. REPAIRED THE BEARSTRAP IAW EA 25-153-01613.
- [SDR SWAA2025071079618](https://openairdocs.org/sdr/SWAA2025071079618), Jun 8, 2025: ANGLE. CRACKED. CRACK ON ANGLE - CLIP LOCATED BS500C AND LBL21 FWD POSITION FWD CARGO COMPARTMENT. REPLACED ANGLE - CLIP LOCATED BS500C AND LBL21 FWD POSITION FWD CARGO COMPART
- [SDR SWAA2025071079619](https://openairdocs.org/sdr/SWAA2025071079619), Jun 8, 2025: ANGLE. CRACKED. CRACK ON ANGLE - CLIP LOCATED BS500B AND LBL21 FWD POSITION FWD CARGO COMPARTMENT. REPLACED CLIP LOCATED BS500B AND LBL21 BTW STR25L AND STR26L FWD CARGO COMPAR
- [SDR SWAA2025071079282](https://openairdocs.org/sdr/SWAA2025071079282), Jun 8, 2025: STUB FRAME. CRACKED. CRACK INDICATION FOUND ON SERVICE DOOR FWD; UPPER STUB FRAME AT BS 294.5 BTW S-8R TO S-9R FWD GALLEY AREA. CRACK LENGTH:1.125 INCH APPROXIMATELY. REPLACED STUB 
- [SDR SWAA2025071079284](https://openairdocs.org/sdr/SWAA2025071079284), Jun 8, 2025: ANGLE. CRACKED. CRACK ON ANGLE BODY STA 663.75 LOCATED AT LBL50 AT AIR CONDITIONING BAY. REPLACED ANGLE LOCATED AT AIR CONDITIONING BAY STA 663.75 BETWEEN LBL 5 TO LBL 65 IAW B
- [SDR SWAA2025071079622](https://openairdocs.org/sdr/SWAA2025071079622), Jun 8, 2025: WEB. CORRODED. CORROSION ON SHIELD WEB LOCATED BTW BS492.4 TO BS500A WL156 AND RBL21 AT FWD CARGO COMPARTMENT 2025-363469<[01] REMPLACED NEW SHIELD WEB AND FASTENERS LOCATED B
- [SDR SWAA2025071179062](https://openairdocs.org/sdr/SWAA2025071179062), Jun 7, 2025: GIRT BAR. OUT OF ADJUST. DETERIORATED HARDWARE GIRT BAR FITTING AND PLATE AT AFT ENTRY DOOR. REPLACED GIRT BAR FITTING HARDWARE AND PLATE AT AFT ENTRY DOOR IAW B737-700 AMM 25-66-02-400
- [SDR SWAA2025071179061](https://openairdocs.org/sdr/SWAA2025071179061), Jun 7, 2025: LIGHT. DETERIORATED. DETERIORATED PHOTOLUMINESCENT STRIP 5LH AND 5RH ALONG PAX CABIN. REPLACED PHOTOLUMINESCENT STRIP 5LH AND 5RH ALONG PAX CABIN IAW B737-700 AMM 33-51-15-400-802.
- [SDR SWAA2025071179269](https://openairdocs.org/sdr/SWAA2025071179269), Jun 7, 2025: ANGLE. CRACKED. CRACK ANGLE GUSSET ON BS 500D AT LEVEL STR 19L AT FWD CARGO COMPARTMENT. REPLACED ANGLE GUSSET LOC. ON BS 500D AT LEVEL STR 19L AT FWD CARGO COMPARTMENT I.A.W B
- [SDR SWAA2025071179261](https://openairdocs.org/sdr/SWAA2025071179261), Jun 7, 2025: SEAL PLATE. CRACKED. CRACK ON OUTBOARD SEAL PLATE LOCATED ACCESS PANEL 431AT AT ENGINE 1. REPLACED SEAL SPRING LOCATED ON ACCESS PANEL 431AT OUTBOARD SIDE LT PYLON IAW SRM 51-40-02.
- [SDR SWAA2025071179265](https://openairdocs.org/sdr/SWAA2025071179265), Jun 7, 2025: SEAL PLATE. CRACKED. CRACK ON INBOARD SEAL PLATE LOCATED ACCESS PANEL 431AT AT ENGINE 1. REPLACED SEAL SPRING LOCATED ON ACCESS PANEL 431AT INBOARD SIDE LT PYLON IAW SRM 51-40-02. E
- [SDR SWAA2025071079272](https://openairdocs.org/sdr/SWAA2025071079272), Jun 7, 2025: WEB. CRACKED. CRACK ON WEB FRAME LOCATED BS 259.5 BTW STR 8R TO STR 9R AT FWD GALLEY AREA . REPAIRED THE WEB FRAME IAW B738-700 EA 25-153-01608-WIP1.
- [SDR SWAA2025071079260](https://openairdocs.org/sdr/SWAA2025071079260), Jun 7, 2025: CARGO TRACK. CRACKED. CRACK CARGO TRACK RBL 13.84, BS 767 IN AFT CARGO COMPARTMENT. PERFORMED REPAIR ON THE CARGO TRACK IAW SRM 53-00-53-2R-3.

All 268: https://openairdocs.org/aircraft/N7721E/reports.md

## STCs that may be installed (OpenAirDocs) (7)

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 engine (CFM International CFM56 series)

- [STC SE04840NY](https://openairdocs.org/stc/SE04840NY): Installation of HarcoSemco Exhaust Gas Temperature (EGT) Electrical Harnesses in CFM56-7 engine. Kilroy Aviation LLC. Lists CFM56-7B20
- [STC SE03036CH](https://openairdocs.org/stc/SE03036CH): Application of a deep compressive stress layer using a Low Plasticity Burnishing (LPB) process on CFM56-7 Series Engines Stage 1 High Pressure Compressor (HPC) Blade Dovetails in accordance with Delta Air Lines Inc. Drawing No. 72-0396, Revision B, dated November 3, 2011, or later FAA Approved revision. Delta Air Lines Inc. Lists CFM56-7B20
- [STC SE00032EN](https://openairdocs.org/stc/SE00032EN): Installation of Pratt & Whitney (P&W) Global Material Solutions (GMS) CFM56-3 Fan/Booster Module. Pratt & Whitney. Lists CFM56-3
- [STC SE00033EN](https://openairdocs.org/stc/SE00033EN): Installation of Pratt & Whitney (P&W) Global Material Solutions (GMS) CFM56-3 High Pressure Compressor Module. Pratt & Whitney. Lists CFM56-3
- [STC SE00034EN](https://openairdocs.org/stc/SE00034EN): Installation of Pratt & Whitney (P&W) Global Material Solutions (GMS) CFM56-3 High Pressure Turbine Module. Pratt & Whitney. Lists CFM56-3
- [STC SE00035EN](https://openairdocs.org/stc/SE00035EN): Installation of Pratt & Whitney (P&W) Global Material Solutions (GMS) CFM56-3 Low Pressure Turbine Module. Pratt & Whitney. Lists CFM56-3
- [STC SE00822CH](https://openairdocs.org/stc/SE00822CH): Install AeroControlex P/N 2604880-001 variable stator feedback control cable and P/N 2604880-002 variable bleed valve feedback control cable on CFM International engines. AeroControlex Group TransDigm Inc. Lists CFM56-2

## Earlier aircraft with N7721E

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N7721E before.

- [Cancelled 1965-05-24](https://openairdocs.org/deregistered/N7721E-1965-05-24): Cessna 150, S/N 17521. Owner: [Mccords Aero Service](https://openairdocs.org/faa-owner/MCCORDS%20AERO%20SERVICE), [Gastonia, NC](https://openairdocs.org/faa-place/NC/Gastonia)

## Related

- Other Boeing 737-7BD aircraft: https://openairdocs.org/model/boeing-737-7bd/aircraft.md
- The CFM International CFM56 series engine: https://openairdocs.org/engine/cfm-international-cfm56-series.md

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