# N7743B: 2008 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 CFM56-7B22 series](https://openairdocs.org/engine/cfm-international-cfm56-7b22-series) (registry code 13043) - Serial number: 36718 - Year built: 2008 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: June 27, 2014 - Certificate issued: July 11, 2014 - Expires: July 31, 2027 - Mode S code: AA7AA6 - 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=7743B - Page: https://openairdocs.org/aircraft/N7743B 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 CFM56-7B22 model are included. ## ADs that may apply (OpenAirDocs): 19 in force ### Matched by airframe (Boeing 737-7BD) None in force. ### Matched by engine (CFM International CFM56-7B22 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 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 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 2010-01-05](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 2009-11-02](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 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 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 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 2001-02-12](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 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 ### 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 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 ## Information bulletins (advisory) (1 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-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 N7743B. ## FAA accident and incident reports None matched to N7743B. ## Service difficulty reports (233, 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 SWAA2026081390464](https://openairdocs.org/sdr/SWAA2026081390464), Aug 9, 2026: LENS. UNSECURE. FIRST OFFICER SIDE EMERGENCY EXIT BOTTOM SIGN INOPERATIVE. REPLACED LENS AT F/O SIDE EMER EXIT BOTTOM SIGN. OPS CHKD GOOD REF AMM 33-21-00. OVERWING LOCATION. - [SDR SWAA2026072761406](https://openairdocs.org/sdr/SWAA2026072761406), Jul 22, 2026: LENS. LOOSE. EXIT SIGN ON F.O SIDE OVERWING EXIT LOOSE. SECURED THE LENS ON RT OVERWING EXIT SIGN PER AMM 33-51-01. OPS CHECKS GOOD. - [SDR SWAA2026061713113](https://openairdocs.org/sdr/SWAA2026061713113), Jun 17, 2026: BATTERY PACK. INOPERATIVE. ALL EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1668 CIRCUIT INOPERATIVE. REPLACED THE M1668 BATTERY PACK IAW AMM 33-51-06. LIGHT CHECKED GOOD. - [SDR SWAA2026060809044](https://openairdocs.org/sdr/SWAA2026060809044), Jun 4, 2026: BATTERY PACK. NO TEST. AFT RIGHT EMERGENCY LIGHTING BATTERY PACK FAILED THE CAPACITY CHECK. REMOVED AND REPLACED BATTERY PACK IAW MM 33-51-06. - [SDR SWAA2025123054298](https://openairdocs.org/sdr/SWAA2025123054298), Dec 20, 2025: BATTERY PACK. INOPERATIVE. ALL EMERGENCY LIGHTS RELATED WITH BATTERY PACK M1674 INOPERATIVE. REMOVED & REPLACED BATTERY PACK M1674 IAW AMM 33-51-06-960-805. PERFORMED A GOOD FUNCTIONAL TE - [SDR SWAA2025123054297](https://openairdocs.org/sdr/SWAA2025123054297), Dec 20, 2025: BATTERY PACK. INOPERATIVE. ALL EMERGENCY LIGHTS RELATED WITH BATTERY PACK M1669 INOPERATIVE. REMOVED AND REPLACED THE BATTERY PACK M1669. PREFORMED A SATISFACTORY OPS TEST OF NEW BATTERY - [SDR SWAA2025123052676](https://openairdocs.org/sdr/SWAA2025123052676), Dec 16, 2025: THRESHOLD. CRACKED. FORWARD CARGO BAY FORWARD CORNER THRESHOLD IS CRACKED. REPAIRED FORWARD CARGO BAY FORWARD CORNER THRESHOLD IAW SRM 53-30-15-2R-1. - [SDR SWAA2025123051312](https://openairdocs.org/sdr/SWAA2025123051312), Dec 10, 2025: PANEL. DELAMINATED. RIGHT WING LEADING EDGE PANEL 621VB HAS DELAMINATED AT INBD CORNER. RT WING LE PANEL 621VB WAS REPAIRED IAW SRM 51-70-05-2R-6, & SRM 57-41-01-2R-1. - [SDR SWAA2025123041326](https://openairdocs.org/sdr/SWAA2025123041326), Dec 1, 2025: STRINGER SPLICE. CORRODED. E/E COMPARTMENT STA 360 STGR 28 LT FOUND CORROSION AT STGR SPLICE; ALSO FOUND CORROSION BTWN 28 LT STRINGER AND LOWER SKIN AREA. REMOVED AND REPLACED STRINGER S - [SDR SWAA2025123040090](https://openairdocs.org/sdr/SWAA2025123040090), Nov 26, 2025: PLATE. CRACKED. RIGHT WING T/E WIGGLE PLATE COMMON TO PANEL 651EB ON THE I/B SIDE IS CRACKED. REMOVED AND REPLACED RIGHT WING T/E WIGGLE PLATE COMMON TO PANEL 651EB ON THE I/B - [SDR SWAA2025123039871](https://openairdocs.org/sdr/SWAA2025123039871), Nov 25, 2025: STRINGER CLIP. CRACKED. CRACKED STRINGER CLIP, BS 727B, S5L. REMOVED AND REPLACED THE STRINGER CLIP IAW SRM 51-40-02-0G-0, AND DWG 146A1102, SHEET 15, REV-. - [SDR SWAA2025123039868](https://openairdocs.org/sdr/SWAA2025123039868), Nov 25, 2025: STRINGER CLIP. CRACKED. CRACKED STRINGER CLIP, BS 727C, S6L. REMOVED AND REPLACED THE STRINGER CLIP IAW SRM 51-40-02-0G-0, AND DWG 146A1103, SHEET 11, REV-. - [SDR SWAA2025123039873](https://openairdocs.org/sdr/SWAA2025123039873), Nov 25, 2025: STRINGER CLIP. CRACKED. CRACKED STRINGER CLIP, BS 727C, S7L. REMOVED AND REPLACED THE STRINGER CLIP IAW SRM 51-40-02-0G-0, AND DWG 146A1103, SHEET 11, REV-. - [SDR SWAA2025123039869](https://openairdocs.org/sdr/SWAA2025123039869), Nov 25, 2025: STRINGER CLIP. CRACKED. CRACKED STRINGER CLIP, BS 727D, S6L. REMOVED AND REPLACED THE STRINGER CLIP IAW SRM 51-40-02-0G-0, AND DWG 146A1111, SHEET 11, REV-. - [SDR SWAA2025123039877](https://openairdocs.org/sdr/SWAA2025123039877), Nov 25, 2025: STRINGER CLIP. CRACKED. CRACKED STRINGER CLIP BS 727D, S3L. REMOVED AND REPLACED THE STRINGER CLIP IAW SRM 51-40-02-0G-0, AND DWG 146A1111, SHEET 11, REV-. - [SDR SWAA2025123039875](https://openairdocs.org/sdr/SWAA2025123039875), Nov 25, 2025: STRINGER CLIP. CRACKED. CRACKED STRINGER CLIP, BS 727E, S5L. REMOVED AND REPLACED THE STRINGER CLIP IAW SRM 51-40-02-0G-0, AND DWG 146A1112, SHEET 09, REV-. - [SDR SWAA2025123039878](https://openairdocs.org/sdr/SWAA2025123039878), Nov 25, 2025: STRINGER CLIP. CRACKED. CRACKED STRINGER CLIP, BS 727B, S6R. REMOVED AND REPLACED THE STRINGER CLIP IAW SRM 51-40-02-0G-0, AND DWG 146A1102, SHEET 15, REV-. - [SDR SWAA2025123039876](https://openairdocs.org/sdr/SWAA2025123039876), Nov 25, 2025: STRINGER CLIP. CRACKED. CRACKED STRINGER CLIP, BS 727E, S6L. REMOVED AND REPLACED THE STRINGER CLIP IAW SRM 51-40-02-0G-0, AND DWG 146A1112, SHEET 09, REV -. - [SDR SWAA2025123039879](https://openairdocs.org/sdr/SWAA2025123039879), Nov 25, 2025: STRINGER CLIP. CRACKED. CRACKED STRINGER CLIP, BS 727A, S3R. REMOVED AND REPLACED THE STRINGER CLIP IAW SRM 51-40-02-0G-0, AND DWG 146A1101, SHEET 15, REV -. - [SDR SWAA2025123039870](https://openairdocs.org/sdr/SWAA2025123039870), Nov 25, 2025: STRINGER CLIP. CRACKED. CRACKED STRINGER CLIP, BS 727A, S6R. REMOVED AND REPLACED STRINGER CLIP IAW SRM 51-40-02-0G-0, AND DWG 146A1101, SHEET 15, REV -. - [SDR SWAA2025123039880](https://openairdocs.org/sdr/SWAA2025123039880), Nov 25, 2025: STRINGER CLIP. CRACKED. CRACKED STRINGER CLIP, BS 727A S4R. REMOVED AND REPLACED THE STRINGER CLIP IAW SRM 51-40-02-0G-0 AND DWG 146A1101, SHEET 15, REV -. - [SDR SWAA2025123039874](https://openairdocs.org/sdr/SWAA2025123039874), Nov 25, 2025: STRINGER CLIP. CRACKED. CRACKED STRINGER CLIP AT PAX CABIN BS 727D, S7L. REMOVED AND REPLACED THE STRINGER CLIP IAW SRM 51-40-02-0G-0, AND DWG 146A1111, SHEET 11, REV -. - [SDR SWAA2025123039872](https://openairdocs.org/sdr/SWAA2025123039872), Nov 25, 2025: STRINGER CLIP. CRACKED. CRACKED STRINGER CLIP AT PAX CABIN BS 727C, S5L. REMOVED AND REPLACED THE STRINGER CLIP IAW SRM 51-40-02-0G-0 AND DWG 146A1103, SHEET 11, REV -. - [SDR SWAA2025123039496](https://openairdocs.org/sdr/SWAA2025123039496), Nov 25, 2025: PANEL. CRACKED. PANEL 344GB UPPER SURFACE CRACKED. REMOVED AND REINSTALLED PANEL 344GB IAW AMM 20-50-11. - [SDR SWAA2025123039863](https://openairdocs.org/sdr/SWAA2025123039863), Nov 25, 2025: PLATE. CRACKED. LEFT WING T/E WIGGLE PLATE COMMON TO PANEL 551EB ON THE INBD SIDE IS CRACKED. REMOVED AND INSTALLED NEW WIGGLE PLATE COMMON TO PANEL 551EB ON THE INBD SIDE IAW - [SDR SWAA2025122939375](https://openairdocs.org/sdr/SWAA2025122939375), Nov 24, 2025: BAFFLE. CRACKED. FWD CARGO BAY BAFFLE BS 460 - 480, WL 156, LBL 25 CRACKED. R & R BAFFLE BETWEEN BS 460 - 480, WL 156, LBL 25 IAW SRM 51-40-02, & DWG 143A7505 REV-. - [SDR SWAA2025122939376](https://openairdocs.org/sdr/SWAA2025122939376), Nov 24, 2025: BAFFLE. CRACKED. FWD CARGO BAY BAFFLE BS 500B - 500C, WL 156, LBL 25 CRACKED. R & R THE BAFFLE BETWEEN BS 500B - 500C, WL 156, LBL 25 IAW SRM 51-40-02, & DWG 143A7505, REV B. - [SDR SWAA2025123039107](https://openairdocs.org/sdr/SWAA2025123039107), Nov 23, 2025: FLOORBEAM. CORRODED. CORROSION AT FLOORBEAM, BS 986, LBL 42, WL 208. REMOVED DAMAGED AREA, FABRICATED, LOCATED, DRILLED, APPLIED PROTECTIVE TREATMENT TO REPAIR PARTS AND REPAIR AREA - [SDR SWAA2025122938796](https://openairdocs.org/sdr/SWAA2025122938796), Nov 22, 2025: FLOOR PANEL. DEBONDED. CABIN FLOOR PANEL 222B TOP SURFACE DISBONDED. TOP SURFACE DAMAGE ON CABIN FLOOR PANEL 222B WAS REPAIRED IAW SRM 53-00-50-2R-1. - [SDR SWAA2025122938807](https://openairdocs.org/sdr/SWAA2025122938807), Nov 22, 2025: FLOOR PANEL. DEBONDED. CABIN FLOOR PANEL 222CF PREVIOUS REPAIRS TO UPPER SURFACE ARE DISBONDED. R & R PREVIOUS REPAIRS TO UPPER SURFACE ON CABIN FLOOR PANEL 222CF IAW SRM 53-00-50-2R- - [SDR SWAA2025122938798](https://openairdocs.org/sdr/SWAA2025122938798), Nov 22, 2025: FLOOR PANEL. DEBONDED. CABIN FLOOR PANEL 222A TOP SURFACE DISBONDED. TOP SURFACE DAMAGE ON CABIN FLOOR PANEL 222A REPAIRED IAW SRM 53-00-50-2R-1. - [SDR SWAA2025123038608](https://openairdocs.org/sdr/SWAA2025123038608), Nov 21, 2025: STRAP. CORRODED. CORROSION ON STRAP AT BS 1016 LBL 3 WL 208. REMOVED, FABRICATED, AND REPLACED THE STRAP AT BS 1016, LBL 3, WL 208 IAW SRM 51-40-05-0G-0, SRM 51-40-02-0G-0, PL 1 - [SDR SWAA2025123038614](https://openairdocs.org/sdr/SWAA2025123038614), Nov 21, 2025: FLOOR SUPPORT. CRACKED. CRACKED FLOOR SUPPORT AT BS 277-294 RBL 1 WL 208. REMOVED DAMAGE FLOOR SUPPORT AND REPLACED WITH NEW IAW SRM 51-40-02-0G-0, AND DWG 141A5400, SHEET 20, REV -. - [SDR SWAA2025123038609](https://openairdocs.org/sdr/SWAA2025123038609), Nov 21, 2025: FLOORBEAM. CORRODED. CORROSION AT FLOORBEAM BS 986, RBL 42, WL 208. REMOVED, FABRICATED, LOCATED, DRILLED, APPLIED PROTECTIVE TREATMENT, AND INSTALLED NEW FILLER ON EXISTENT REPAIR - [SDR SWAA2025123038616](https://openairdocs.org/sdr/SWAA2025123038616), Nov 21, 2025: FLOOR SUPPORT. CRACKED. CRACKED FLOOR SUPPORT AT BS 312-328, RBL 31, WL 208. REMOVED AND REPLACED FLOOR SUPPORT BS312 - 328, RBL 31, WL208 IAW SRM 51-40-02-0G-0 AND DWG 141A5400 REV -. - [SDR SWAA2025123038453](https://openairdocs.org/sdr/SWAA2025123038453), Nov 21, 2025: SEAT TRACK. CORRODED. CORROSION ON TOP AND IN WELL OF PAX CABIN SEAT TRACK BS 540 TO BS 727B RBL 25 WL 208. REMOVED CORROSION ON CROWN OF PAX CABIN SEAT TRACK BS 649 RBL 25 WL 208 L= - [SDR SWAA2025123038455](https://openairdocs.org/sdr/SWAA2025123038455), Nov 21, 2025: SEAT TRACK. CORRODED. CORROSION ON TOP AND IN WELL OF PAX CABIN SEAT TRACK BS 480 TO BS 520, LBL 45, WL 208. REMOVED AND REPLACED PASSENGER CABIN SEAT TRACK IAW SRM 51-40-02, DWG 143 - [SDR SWAA2025123047381](https://openairdocs.org/sdr/SWAA2025123047381), Nov 21, 2025: SEAT TRACK. CORRODED. CORROSION ON TOP OF PAX CABIN SEAT TRACK BS 480 TO BS 520 LBL 25 WL 208. RECEIVED NEW FABRICATED SEAT TRACK, LOCATED AND DRILLED NEW FABRICATED SEAT TRACK IAW S - [SDR SWAA2025122941132](https://openairdocs.org/sdr/SWAA2025122941132), Nov 21, 2025: FORMER. WORN. RIGHT LOWER FAIRING FORMER AT BS 663 - 673, RBL 20, WL 142 WORN ON LOWER SIDE OF FORMER. REMOVED AND REPLACED THE RT LOWER FAIRING FORMER IAW SRM 51-40-02-0G0, - [SDR SWAA2025122941131](https://openairdocs.org/sdr/SWAA2025122941131), Nov 21, 2025: FORMER. WORN. LEFT LOWER FAIRING FORMER, BS 663 - 673, LBL 20, WL 142 WORN ON LOWER SIDE. REMOVED AND REPLACED THE LT LOWER FAIRING FORMER IAW SRM 51-40-02, DWG 149A7216, REV - [SDR SWAA2025122938456](https://openairdocs.org/sdr/SWAA2025122938456), Nov 21, 2025: SEAT TRACK. CORRODED. CORROSION ON TOP OF PAX CABIN SEAT TRACK BS 480 TO BS 520 LBL 25 WL 208. REMOVED CORROSION ON SEAT TRACK IAW SRM 51-10-02. MAXIMUM MATERIAL REMOVED WAS 0.25'X 5 - [SDR SWAA2025123038180](https://openairdocs.org/sdr/SWAA2025123038180), Nov 20, 2025: SUPPORT. CORRODED. CORROSION FWD CARGO BAY AFT LOWER BULKHEAD SUPPORT HAS MULTIPLE AREAS AROUND FASTENER HOLES BS 500D, LBL 21 TO RBL 21. REMOVED AND REPLACED BULKHEAD SUPPORT IAW - [SDR SWAA2025123038181](https://openairdocs.org/sdr/SWAA2025123038181), Nov 20, 2025: SHIELD. CORRODED. CORROSION ON THE FWD CARGO BAY AFT SHIELD, BS 500+1- 500+19, RBL 22, WL 156, MULTIPLE AREAS AROUND NUT PLATE HOLES. REMOVED AND REPLACED FWD CARGO BAY AFT SHIEL - [SDR SWAA2025123038179](https://openairdocs.org/sdr/SWAA2025123038179), Nov 20, 2025: SUPPORT. CORRODED. CORROSION FWD CARGO BAY LT FLOOR TO SIDEWALL SUPPORT PLATE MULTIPLE AREAS AROUND NUT PLATE HOLES BS 480 - 500B, LBL 22, WL156. REMOVED AND REPLACED FLOOR TO SID - [SDR SWAA2025123047378](https://openairdocs.org/sdr/SWAA2025123047378), Nov 20, 2025: HANDLE. INCORRECT. L1 DOOR ASSIST HANDLE LOOSE. CORRECTLY INSTALLED THE L1 DOOR ASSIST HANDLE IAW AMM 52-11-31-400-802. - [SDR SWAA2025123038188](https://openairdocs.org/sdr/SWAA2025123038188), Nov 20, 2025: THRESHOLD WEB. CORRODED. CORROSION AFT CARGO BAY SUB THRESHOLD WEB MULTIPLE AREAS AROUND NUT PLATE HOLES BS 794 TO 847, RBL 26, WL156. REMOVED AND REPLACED SUB THRESHOLD WEB IAW SRM 51- - [SDR SWAA2025122936991](https://openairdocs.org/sdr/SWAA2025122936991), Nov 20, 2025: HANDLE. LOOSE. L1 DOOR LINER ASSIST HANDLE IS LOOSE. INSTALLED CORRECTLY L1 DOOR LINER ASSIST HANDLE IAW AMM 52-11-31-400-802. - [SDR SWAA2025123036983](https://openairdocs.org/sdr/SWAA2025123036983), Nov 19, 2025: SKIN. CORRODED. CORROSION ON FUSELAGE LOWER INTERNAL BLIGE SKIN COMMON TO EXTERNAL DOUBLER INSTALLED AS PER REPAIR-53EO-00182 BS747 TO BS767 BL-0 WL149. REPAIRED IAW EA 25-153- - [SDR SWAA2025123036980](https://openairdocs.org/sdr/SWAA2025123036980), Nov 19, 2025: SHIELD. CORRODED. CORROSION AFT CARGO BAY SHIELD FWD OF CARGO DOOR AROUND MULTIPLE NUT PLATE HOLES BS 767+3 - 794, RBL 22, WL 156. REMOVED AND REPLACED ACB FWD SHIELD IAW SRM 51- - [SDR SWAA2025123036981](https://openairdocs.org/sdr/SWAA2025123036981), Nov 19, 2025: SUPPORT PLATE. CORRODED. CORROSION AFT CARGO BAY LT FLOOR TO SIDEWALL SUPPORT PLATE HAD MULTIPLE AREAS AROUND NUT PLATE HOLES, BS 727B - 767, LBL 22, WL 156. REMOVED AND REPLACED FLOOR All 233: https://openairdocs.org/aircraft/N7743B/reports.md ## STCs that may be installed (OpenAirDocs) (2) 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 CFM56-7B22 series) - [STC SE04840NY](https://openairdocs.org/stc/SE04840NY): Installation of HarcoSemco Exhaust Gas Temperature (EGT) Electrical Harnesses in CFM56-7 engine. Kilroy Aviation LLC - [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 ## Earlier aircraft with N7743B The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N7743B before. - [Cancelled 1965-01-12](https://openairdocs.org/deregistered/N7743B-1965-01-12): Dehavilland DHC-2, S/N 493 (1276. Exported to New Zealand. Owner: [State Airlines Inc/Municipal Airport Branch](https://openairdocs.org/faa-owner/STATE%20AIRLINES%20INC%2FMUNICIPAL%20AIRPORT%20BRANCH) ## Related - Other Boeing 737-7BD aircraft: https://openairdocs.org/model/boeing-737-7bd/aircraft.md - The CFM International CFM56-7B22 series engine: https://openairdocs.org/engine/cfm-international-cfm56-7b22-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.