# N957WN: 2011 Boeing 737-7H4

- Status: Valid registration
- Airframe: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (registry code 1384404, 143 seats)
- Engine: [CFM International CFM56-7B24/3 series](https://openairdocs.org/engine/cfm-international-cfm56-7b24-3-series) (registry code 13074)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company) (OpenAirDocs)
- Serial number: 41528
- Year built: 2011
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: May 20, 2011
- Certificate issued: June 21, 2011
- Expires: June 30, 2027
- Mode S code: AD50A9
- 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=957WN
- Page: https://openairdocs.org/aircraft/N957WN

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 CFM56-7B24/3 model are included.

## ADs that may apply (OpenAirDocs): 10 in force

### Matched by airframe (Boeing 737-7H4)

None in force.

### Matched by engine (CFM International CFM56-7B24/3 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 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 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

### 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 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

## 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 N957WN.

## FAA accident and incident reports

None matched to N957WN.

## Service difficulty reports (168, 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 SWAA2026080322414](https://openairdocs.org/sdr/SWAA2026080322414), Jul 31, 2026: SLIDE. DISLODGED. AFT ENTY DOOR SLIDE FELL OUT. REPACKED AFT ENTRY DOOR SLIDE PER MT725-61-06.
- [SDR SWAA2026062515764](https://openairdocs.org/sdr/SWAA2026062515764), Jun 25, 2026: BATTERY PACK. FAILED. EMERGENCY LIGHT BATTERY PACK FAILED. FORWARD LEFT AND RIGHT; AFT LEFT AND RIGHT. REMOVED AND REPLACED PER AMM 33-51-06-960-805.
- [SDR SWAA2026012663054](https://openairdocs.org/sdr/SWAA2026012663054), Jan 20, 2026: SIGN. LOOSE. R1 EMERGENCY EXIT SIGN LOOSE. R & R THE SIGN ASSY IAW AMM 33-51-01. OPS CHKD GOOD.
- [SDR SWAA2025111735585](https://openairdocs.org/sdr/SWAA2025111735585), Nov 15, 2025: HINGE ARM. BROKEN. L1 DOOR UPPER HINGE ARM BROKEN. R & R PIN TO UPPER RADIUS LINK PER AMM 52-11-21.
- [SDR SWAA2025101423857](https://openairdocs.org/sdr/SWAA2025101423857), Oct 12, 2025: HANDLE. BROKEN. R1 DOOR ASSIST HANDEL BROKEN. REPLACED R1 DOOR ASSIST HANDLE IAW AMM 52-41-31
- [SDR SWAA2025100922437](https://openairdocs.org/sdr/SWAA2025100922437), Oct 8, 2025: BATTERY PACK. INOPERATIVE. AFT LEFT HAND EMERGENCY LIGHTS INOPERATIVE. REMOVED AND REPLACED BATTERY PACK IAW AMM 33-51-06-960-805-NG.
- [SDR SWAA2025051469795](https://openairdocs.org/sdr/SWAA2025051469795), May 12, 2025: POWER SUPPLY. INOPERATIVE. CSTOMER REQUEST R.L. PASSENGER CABIN; STOWBIN EGRESS LIGHT 3CBA DOES NOT STAY ON .<[01] OPENED AIRGRILL AT M1668 POWER SUPPLY IAW AMM 33-51-06-960-806 STEP 5.A-
- [SDR SWAA2025051467608](https://openairdocs.org/sdr/SWAA2025051467608), May 5, 2025: BATTERY PACK. INOPERATIVE. EMERGENCY EXIT LIGHT BATTERY PACK M1669 WILL NOT HOLD CHARGE<[01] REMOVED; REPLACED AND ACCOMPLISHED INSTALLATION TEST OF BATTERY PACK M1669 IAW AMM 33-51-06-96
- [SDR SWAA2025051457244](https://openairdocs.org/sdr/SWAA2025051457244), Apr 25, 2025: FLOORBOARD. PULLED. DOT#66 A-043 CABIN FLOOR PANEL 231UF HAS PULLED FIBERS TOP SURFACE<[01] REFER TO FAULT TTG8Q00ZYYKS WHERE EA 25-153-01025 WAS ADDED AS A SUBTASK;[02] VERIFIED I
- [SDR SWAA2025051457245](https://openairdocs.org/sdr/SWAA2025051457245), Apr 25, 2025: FLOOR PANEL. PULLED. DOT#67 A-043 CABIN FLOOR PANEL 231KF HAS PULLED FIBERS TOP SURFACE<[01] REFER TO FAULT TTG8Q00ZYYKS WHERE EA 25-153-01025 WAS ADDED AS A SUBTASK;[02] VERIFIED I
- [SDR SWAA2025051457247](https://openairdocs.org/sdr/SWAA2025051457247), Apr 25, 2025: FLOOR PANEL. PULLED. DOT#69 A-043 CABIN FLOOR PANEL 231VF HAS PULLED FIBERS TOP SURFACE<[01] REFER TO FAULT TTG8Q00ZYYKS WHERE EA 25-153-01025 WAS ADDED AS A SUBTASK;[02] VERIFIED I
- [SDR SWAA2025051457229](https://openairdocs.org/sdr/SWAA2025051457229), Apr 23, 2025: FITTING. DAMAGED. R-2 DOOR GIRT BAR FITTINGS HAVE MISSING ATTACHING HARDWARE.<[01] REPLACED STRIPPED ATTACHING HARDWARE ON R-2 DOOR GIRT BAR FITTING PLATE IAW AMM 25-66-02-000-80
- [SDR SWAA2025051457230](https://openairdocs.org/sdr/SWAA2025051457230), Apr 23, 2025: PLATE. STRIPPED. L-2 DOOR FORWARD GIRT BAR FITTING MOUNT PLATE (BOTTOM) HAS STRIPPED ATTACHING HARDWARE.<[01] REPLACED STRIPPED ATTACHING HARDWARE ON L-2 DOOR FORWARD GIRT BAR F
- [SDR SWAA2025051457240](https://openairdocs.org/sdr/SWAA2025051457240), Apr 23, 2025: GIRT BAR. PULLED. R2 DOOR MOUNTED ESCAPE SLIDE HAS EXCESSIVE GIRT MATERIAL PULLED FROM SLIDE COVER<[01] REPOSITIONED GIRT BAR IAW AMM 25-66-01-000-804;[02] COMPLETE<BR>AUDIT C/W
- [SDR SWAA2025051457241](https://openairdocs.org/sdr/SWAA2025051457241), Apr 23, 2025: GIRT BAR. PULLED. L2 DOOR MOUNTED ESCAPE SLIDE HAS EXCESSIVE GIRT MATERIAL PULLED FROM SLIDE COVER<[01] REPOSITIONED GIRT BAR IAW AMM 52-66-01-000-804;[02] COMPLETE<BR>AUDIT C/W
- [SDR SWAA2025051457173](https://openairdocs.org/sdr/SWAA2025051457173), Apr 21, 2025: NUT PLATE. MISSING. DOT#14 A-043 FWD CARGO DOOR; LOWER CENTER SCUFF PLATE MISSING FASTENER<[01] REMOVED CARGO DOOR SCUFF PLATE FOR ACCESS AREA; REF. B737-700 AMM 53-11-02-020-801.R
- [SDR SWAA2025051557147](https://openairdocs.org/sdr/SWAA2025051557147), Apr 20, 2025: PANEL. CRACKED. (A204 DOT 1) RH WING PANEL 661CB; TRAILING EDGE FASTNER ROW HAS CRACKS AT FASTNER HOLES COMMON TO SEAL. (16 EACH PLACES)<[01] REPAIRED R/H TRAILING EDGE PANEL D
- [SDR SWAA2025051457159](https://openairdocs.org/sdr/SWAA2025051457159), Apr 20, 2025: FLOORBOARD. PULLED. A-011-DOT#033 CABIN FLOOR BOARD 242BF HAS PULLED COMPOSITE FIBERS ON SURFACE OF BOARD.<[01] REPAIRED FLOOR BOARD 242BF ON UPPER SURFACE IAW EA 25-153-01025 AND 
- [SDR SWAA2025051457163](https://openairdocs.org/sdr/SWAA2025051457163), Apr 20, 2025: FLOORBOARD. PULLED. A-011-DOT#035 CABIN FLOOR BOARD 241BF HAS PULLED COMPOSITE FIBERS ON BOARD SURFACE.<[01] REFER TO FAULT TTG8Q00ZYYKS WHERE EA 25-153-01025 WAS ADDED AS A SUBTAS
- [SDR SWAA2025051457164](https://openairdocs.org/sdr/SWAA2025051457164), Apr 20, 2025: FLOORBOARD. PULLED. A-011-DOT#034 CABIN FLOOR BOARD 242AF HAS PULLED COMPOSITE FIBERS ON SURFACE OF BOARD.<[01] REFER TO FAULT TTG8Q00ZYYKS WHERE EA 25-153-01025 WAS ADDED AS A SUB
- [SDR SWAA2025051557136](https://openairdocs.org/sdr/SWAA2025051557136), Apr 18, 2025: BULKHEAD WEB. CRACKED. LH STA 663 VAPOR BARRIER WEB CRACKED<[01] 04 - REPAIRED PER [SRM 51-70-04-2R-10-A00755 (REPAIR 10 - REPAIR OF DAMAGE THAT IS MORE THAN 0.50 INCH IN SOLID LAMINA
- [SDR SWAA2025051557137](https://openairdocs.org/sdr/SWAA2025051557137), Apr 18, 2025: BULKHEAD WEB. CRACKED. RH STA 663 VAPOR BARRIER WEB CRACKED<[01] BONDED REPAIR IAW SRM 51-70-04-2R-10 STEP 4 D-F. CURED AT 200 DEGREES. UT IAW B737 NDT PART 51-00-02. NO DEFECTS NOTED
- [SDR SWAA2025031002998](https://openairdocs.org/sdr/SWAA2025031002998), Mar 7, 2025: EEC. FAULTY. AT FL 370 RIGHT ENGINE WENT TO EEC ALTERNATE MODE WITH ASSOCIATED MASTER CAUTION AND ENG LIGHT. ABOUT 15 SEC LATER THE ENGINE RUMBLED AND VIBRATED AND RPM ROLLE
- [SDR SWAA2025021294921](https://openairdocs.org/sdr/SWAA2025021294921), Feb 10, 2025: TRANSMITTER. FAULTY. ON APPROACH FLAPS SELECT TO 15; FLAPS STUCK AT 10. ALTERNATE FLAPS USED TO SELECT FLAPS TO 15. LANDING UNEVENTFUL.<[01] R&R L/H FLAP POSITION TRANSMITTER IAW AM
- [SDR SWAA2025010883628](https://openairdocs.org/sdr/SWAA2025010883628), Jan 7, 2025: SEAL. CRACKED. R/H HORIZONTAL STAB UPPER AFT SLIDING SEAL CRACKED.<[01] REMOVED AND REPLACED SEAL PER SRM 51-40-02.;[02] INSPECTED C/A 1. MARK JACKSON (TECHNICIAN); REMOVED AN
- [SDR SWAA2023042831217](https://openairdocs.org/sdr/SWAA2023042831217), Apr 24, 2023: TRANSMITTER. INOPERATIVE. DURING DESCENT FLAPS WOULD NOT EXTEND PAST 25; WOULD NOT RETRACT UNTIL ON GROUND.<[01] R&R R/H TE FLAP POSITION TRANSMITTER PER AMM 27-58-01.
- [SDR SWAA2023042428480](https://openairdocs.org/sdr/SWAA2023042428480), Apr 18, 2023: LIGHT. INOPERATIVE. LEFT HAND OVER WING EMERGENCY EXIT LIGHT; AFT LIGHT INOP. LEFT HAND OVER WING EMERGENCY EXIT LIGHT AFT LIGHT INOP.<[01] REPLACED LAMP AND PERFORMED FUNCTIONAL T
- [SDR SWAA2023042428354](https://openairdocs.org/sdr/SWAA2023042428354), Apr 17, 2023: LIGHT. INOPERATIVE. FWD GALLEY DOORWAY LWR FWD EMERGENCY LIGHT HAS 1 EA BULB INOP.<[01] REMOVED AND REPLACED 1EA INOP BULB IN RH FWD GALLEY DOORWAY LWR FWD EMERGENCY LIGHT. OPS CHE
- [SDR SWAA2023042428355](https://openairdocs.org/sdr/SWAA2023042428355), Apr 17, 2023: LIGHT. INOPERATIVE. FWD ENTRY DOORWAY LWR FWD EMERGENCY LIGHT HAS 2 EA BULBS INOP.<[01] REMOVED AND REPLACED 2EA INOP BULB IN LH FWD GALLEY DOORWAY LWR FWD EMERGENCY LIGHT. OPS CHE
- [SDR SWAA2023042525195](https://openairdocs.org/sdr/SWAA2023042525195), Apr 9, 2023: INTERCOSTAL. CRACKED. AFT CARGO BAY INTERCOSTAL IS CRACKED AT BS 947.5 RBL 20 UNDER FLOOR TO SIDEWALL SUPPORT<[01] VERIFIED APPLICABILITY FOR SRM 51-10-02 PARAG 9.REPAIRABLE BY REPLA
- [SDR SWAA2023042522721](https://openairdocs.org/sdr/SWAA2023042522721), Mar 31, 2023: PANEL. DELAMINATED. PANEL 193AR HAS DELAMINATION ON OUTER SURFACE<[01] IDENTIFIED PANEL MATERIAL IAW SRM 53-40-70-0I-1 FIG 2 TABLE 2 ITEM 18.<BR>FOUND DAMAGE TO BE OUT OF ALLOWABLE
- [SDR SWAA2023042422718](https://openairdocs.org/sdr/SWAA2023042422718), Mar 31, 2023: STRINGER CLIP. CRACKED. STRINGER CLIP CRACKED BS 887 STR 25R<[01] VERIFIED APPLICABILITY FOR SRM 51-10-02 PARAG 9.REPAIRABLE BY REPLACEMENT.;[02] PRIOR TO REMOVAL;FOUND PART HAS NOT AL
- [SDR SWAA2023042521704](https://openairdocs.org/sdr/SWAA2023042521704), Mar 28, 2023: PANEL. DELAMINATED. PANEL 193AR HAS A DELAMINATION ON THE INNER SURFACE SKIN 19.5' FROM THE I/B END; 7' FROM FWD EDGE<DAMAGE IS OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 53-40-70-1A-1
- [SDR SWAA2023042521391](https://openairdocs.org/sdr/SWAA2023042521391), Mar 28, 2023: STRUCTURE. CORRODED. WHILE PERFORMING INSPECTION OF THE DRAIN HOLES FOUND CORROSION ON THE FORWARD SIDE OF THE BS 1016 CHORD AT BL 0 WL 189 AT FASTENERS. ON THE HORIZONTAL FLANGE.<[
- [SDR SWAA2023042519830](https://openairdocs.org/sdr/SWAA2023042519830), Mar 22, 2023: FLOOR PANEL. BROKEN. FWD CABIN FLOOR PANEL 221BF AFT O/B CORNER (TANG) IS BROKEN<FOUND DAMAGE TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1 PARA 4.B.<BR>DAMAGE WILL BE REPAIRE
- [SDR SWAA2023042519820](https://openairdocs.org/sdr/SWAA2023042519820), Mar 22, 2023: STRINGER. CORRODED. CORROSION ON AFT OF FWD CARGO BAY END OF STRINGER AT BS 540 STRINGER 23R.<[01] EVALUATED DAMAGE ON STRINGER 23R AT BS 540 FWD CARGO BAY FOUND TO BE OUT OF LIMIT
- [SDR SWAA2023042519822](https://openairdocs.org/sdr/SWAA2023042519822), Mar 22, 2023: STRINGER. CORRODED. CORROSION ON AFT OF FWD CARGO BAY END OF STRINGER AT BS 540 STRINGER 23L.<OUT OF LIMITS; ORIGINAL THICKNESS 0.036' MATERIAL LOSS MORE THAN 50% IAW SRM 53-00-03-
- [SDR SWAA2023042420027](https://openairdocs.org/sdr/SWAA2023042420027), Mar 22, 2023: STRINGER CLIP. CRACKED. CRACK ON PASSENGER CABIN STRINGER CLIP AT BS 277 STRINGER 10R.<[01] VERIFIED SRM 51-10-02 PARA :9C; IS APPLICABLE BY REPLACEMENT.;[02] REMOVED STRIGER CLIP AT B
- [SDR SWAA2023042419821](https://openairdocs.org/sdr/SWAA2023042419821), Mar 22, 2023: STRINGER. CORRODED. CORROSION ON AFT OF FWD CARGO BAY END OF STRINGER AT BS 540 STRINGER 25R.<[01] EVALUATED DAMAGE ON STRINGER 25R AT BS 540 FWD CARGO BAY FOUND TO BE OUT OF LIMIT
- [SDR SWAA2023042419319](https://openairdocs.org/sdr/SWAA2023042419319), Mar 21, 2023: SEAL. CRACKED. RT. HORIZONTAL STAB FWD UPPER SLIDE SEAL CRACKED.<[01] REMOVED AND REPLACED RT. HORIZONTAL STAB FWD UPPER SLIDE SEAL P/N 181A8025-2 IAW AIPC 53-31-31-03 AND AMM
- [SDR SWAA2023042419587](https://openairdocs.org/sdr/SWAA2023042419587), Mar 21, 2023: ANGLE. CRACKED. SUPPORT ANGLE CRACKED; BS663; RBL42 36 IN BELOW PRESSURE DECK; FWD SIDE OF 663 VAPOR BARRIER SUPPORT ANGLE IS MARKED<[01] UPDATED PARTIAL STEPS 1 AND 2;[02] REC
- [SDR SWAA2023042419086](https://openairdocs.org/sdr/SWAA2023042419086), Mar 20, 2023: SEAL. CRACKED. LT. HORIZONTAL STAB FWD UPPER SLIDE SEAL CRACKED.<[01] REMOVED AND REPLACED LT. HORIZONTAL STAB FWD UPPER SLIDE SEAL P/N 181A8025-1 IAW AIPC 53-31-31-03 AND AMM
- [SDR SWAA2023042518162](https://openairdocs.org/sdr/SWAA2023042518162), Mar 17, 2023: SIDEWALL SUPPORT. CORRODED. AFT CARGO COMPARTMENT - MULTIPLE AREA OF CORROSION ON SIDEWALL SUPPORT AT BS 727 TO BS 847 LBL 21.75 WL 155. (MARKED)<REMOVED CORROSION ON AFT CARGO BAY FLOOR T
- [SDR SWAA2023042518165](https://openairdocs.org/sdr/SWAA2023042518165), Mar 17, 2023: SIDEWALL SUPPORT. CORRODED. AFT CARGO COMPARTMENT - MULTIPLE AREA OF CORROSION ON SIDEWALL SUPPORT AT BS 727 TO BS 767 RBL 21.75 WL 155. (MARKED)<[01] VERIFIED APPLICABILITY FOR IDENTIFICA
- [SDR SWAA2023042518170](https://openairdocs.org/sdr/SWAA2023042518170), Mar 17, 2023: SPLICE STRAP. CORRODED. AFT CARGO COMPARTMENT - MULTIPLE AREA OF CORROSION ON FLOORBOARD SPLICE STRAP AT BS 887 FROM LBL 6.5 TO LBL 18.5 WL 155. (MARKED)<[01] VERIFIED APPLICABILITY FO
- [SDR SWAA2023042418172](https://openairdocs.org/sdr/SWAA2023042418172), Mar 17, 2023: SUPPORT. CORRODED. AFT CARGO COMPARTMENT - CORROSION ON AFT FLOOR SUPPORT BULKHEAD AT BS 7947.5 RBL 5.5; RBL 7.25; RBL 9.75; RBL 12; LBL 1.5; LBL 9; LBL 14 WL 155 (MARKED)<[01] VE
- [SDR SWAA2023042418151](https://openairdocs.org/sdr/SWAA2023042418151), Mar 17, 2023: WEB. CORRODED. AFT CARGO COMPARTMENT - CARGO DOOR THRESHOLD WEB HAS MULTIPLE AREA OF CORROSION AT BS 787+7 TO BS 847 RBL 26 WL 162<[01] VERIFIED APPLICABILITY OF SRM 53-60-15-
- [SDR SWAA2023042418161](https://openairdocs.org/sdr/SWAA2023042418161), Mar 17, 2023: SHIELD. CORRODED. AFT CARGO COMPARTMENT - AFT DOOR SHIELD HAS CORROSION AT BS 847+1 BS 847+2; BS 847+5.25; BS 847 RBL 20.5 / BS 847+7.5; BS 847+11 RBL 22.25 WL 162.<[01] VERIFIED
- [SDR SWAA2023042418153](https://openairdocs.org/sdr/SWAA2023042418153), Mar 17, 2023: SHIELD. CORRODED. AFT CARGO COMPARTMENT - FWD DOOR SHIELD HAS CORROSION AT BS 767 TO BS 787+7 RBL 21.75 WL 162<[01] VERIFIED APPLICABILITY FOR SRM 51-10-02 PARAG 9.;[02] CORROSIO
- [SDR SWAA2023042517264](https://openairdocs.org/sdr/SWAA2023042517264), Mar 16, 2023: FLOOR PANEL. PULLED. AFT CABIN FLOOR PANEL 241ABF UPPER SKIN HAS AREAS OF PULLED STRANDS.<FOUND DAMAGE TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1 PARA 4.F.<BR>DAMAGE WILL B

All 168: https://openairdocs.org/aircraft/N957WN/reports.md

## STCs that may be installed (OpenAirDocs) (32)

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

### Approved for the airframe (Boeing 737-7H4)

- [STC ST00555AT](https://openairdocs.org/stc/ST00555AT): Installation of Airshow 210 system. AIRCRAFT RECONFIG TECHNOLOGIES, LLC. Lists 737 Series
- [STC SA4842SW](https://openairdocs.org/stc/SA4842SW): Modification of air to air heat exchanger (P/N 182820-2 Series 2). Honeywell International Inc. Lists 737 Series
- [STC SA270NW](https://openairdocs.org/stc/SA270NW): Installation of modified seat. Aviation Technical Services. Lists 737 Series
- [STC ST01162NY](https://openairdocs.org/stc/ST01162NY): Installation of Literature Pockets. Magee Plastics Company. Lists 737 Series
- [STC SA2607SO](https://openairdocs.org/stc/SA2607SO): Installation of coffee maker P/N 416-1001-29. B/E Aerospace Inc. Lists 737 Series
- [STC SA2608SO](https://openairdocs.org/stc/SA2608SO): Installation of rail assembly, P/N 416-0201-15. B/E Aerospace Inc. Lists 737 Series
- [STC SA3058SO](https://openairdocs.org/stc/SA3058SO): Installation of coffee maker 416-0001-23 and rail assembly 416-0201-5. B/E Aerospace Inc. Lists 737 Series
- [STC ST01476AT](https://openairdocs.org/stc/ST01476AT): Installation of coffee maker. B/E Aerospace Inc. Lists 737 Series
- [STC ST01778AT](https://openairdocs.org/stc/ST01778AT): Installation of espresso maker p/n 3510-0066-01. B/E Aerospace Inc. Lists 737 Series
- [STC SA629GL](https://openairdocs.org/stc/SA629GL): Installation of Grimes galley, Model 1545LW unit 2 and unit 4. B/E Aerospace. Lists 737 Series
- [STC ST01332AT](https://openairdocs.org/stc/ST01332AT): Installation of Galley Service Carts. Champ International, Inc. Lists 737 Series
- [STC ST09870SC](https://openairdocs.org/stc/ST09870SC): Installation of Mechanical Window Shades. Lou Martin & Associates. Lists 737 Series
- [STC ST00033AT](https://openairdocs.org/stc/ST00033AT): Installation of a single Mode S system and provisions for a TCAS II system. General Aerospace, Inc. Lists 737 Series
- [STC SA4532NM](https://openairdocs.org/stc/SA4532NM): Installation of Coltech, CTD-80 ATSCALL, enabling company calling of selected aircraft via company selected radio. Avtech Corporation. Lists 737 Series
- [STC ST4532NM](https://openairdocs.org/stc/ST4532NM): Installation of Coltech CTD-80 ATSCALL, enabling company calling of selected aircraft via company selected radio. Avtech Corporation. Lists 737 Series
- [STC ST00774NY](https://openairdocs.org/stc/ST00774NY): Installation of a passenger cabin Liquor/beverage service cart P/N E500170. (757-222) (767-222) (727-222) (737 SERIES 222, 291, 322, 522) (747-100 SERIES 238B). Driessen Aircraft Interior Systems USA, Inc. Lists 737 Series
- [STC ST02052AT](https://openairdocs.org/stc/ST02052AT): Installation of a single Collins GNLU910A flight management system, along with global navigation satellite system sensor. General Aerospace, Inc. Lists 737 Series
- [STC SA02034AT](https://openairdocs.org/stc/SA02034AT): Manufacture of tray carrier, P/N 2282-506. BFE Services. Lists 737 Series
- [STC ST01968AT](https://openairdocs.org/stc/ST01968AT): Manufacture of inserts for galley stowage. JK Aerospace, Inc. Lists 737 Series
- [STC SA01916AT](https://openairdocs.org/stc/SA01916AT): Manufacture of Tray Carrier P/N 1839-501. BFE Services. Lists 737 Series
- [STC SA2534SO](https://openairdocs.org/stc/SA2534SO): Installation of window shades, acoustic panes and reveals. Magee Plastics Company. Lists 737 Series
- [STC ST179CH](https://openairdocs.org/stc/ST179CH): Installation of cargo container curtain. Plastic Composites Corp. Lists 737 Series
- [STC SA00056LA](https://openairdocs.org/stc/SA00056LA): Installation of Weber Coffeemaker, P/N 870130-415. Monogram Systems. Lists 737 Series
- [STC SA6090NM](https://openairdocs.org/stc/SA6090NM): Installation of emergency vision assurance system (EVAS). VisionSafe Corporation. Lists 737 Series
- [STC SA370NW](https://openairdocs.org/stc/SA370NW): Removal of passenger interior, installation of cargo compartment liners and cargo tie down equipment. Western Metal Products. Lists 737 Series
- [STC SA2589CE](https://openairdocs.org/stc/SA2589CE): Install Bennetts Seat Converter Stowage Compartment on passenger seat(s). John's Aircraft and Upholstery. Lists 737 Series
- [STC SA1029NW](https://openairdocs.org/stc/SA1029NW): Installation of a cargo system. Western Metal Products. Lists 737 Series
- [STC SA1258EA](https://openairdocs.org/stc/SA1258EA): Installation of Cosco model78-( ) child restraint system. (172M S/N 17263459 - 17267584). Miller Stuart R. Lists 737 Series
- [STC SA1052SO](https://openairdocs.org/stc/SA1052SO): Installation of GE battery P/N43B022RB36 in place of Marathon P/N CA-727-7, CA-727-20, or CA-27-20 batteries or SAFT P/N23180 batteries; or installation of GE battery P/N 43B020RB10 replacing Marathon P/N CA-727-7, CA-727-20 or CA-27-20 or SAFT P/N 23186 or 23180 batteries. General Electric Company. Lists 737 Series
- [STC SA1082NW](https://openairdocs.org/stc/SA1082NW) (historical): Installation of auxiliary fuel tanks in the aft cargo compartment. (737 series -2K9A). Rogerson ATS. Lists 737 Series

### Approved for the engine (CFM International CFM56-7B24/3 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

## Related

- Other Boeing 737-7H4 aircraft: https://openairdocs.org/model/boeing-737-7h4/aircraft.md
- The CFM International CFM56-7B24/3 series engine: https://openairdocs.org/engine/cfm-international-cfm56-7b24-3-series.md

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