# N251WN: 2006 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 series](https://openairdocs.org/engine/cfm-international-cfm56-7b24-series) (registry code 13044)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company) (OpenAirDocs)
- Serial number: 32510
- Year built: 2006
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: August 17, 2006
- Certificate issued: September 13, 2006
- Expires: May 31, 2028
- Mode S code: A25D36
- 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=251WN
- Page: https://openairdocs.org/aircraft/N251WN

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 model are included.

## ADs that may apply (OpenAirDocs): 19 in force

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

None in force.

### Matched by engine (CFM International CFM56-7B24 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 N251WN.

## FAA accident and incident reports

None matched to N251WN.

## Service difficulty reports (273, 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 SWAA2026040785968](https://openairdocs.org/sdr/SWAA2026040785968), Apr 3, 2026: SEAT BACK. OUT OF ADJUST. PASSENGER SEAT 14F RECLINES INTO EMERGENCY ROW. ADJUSTED RECLINE IAW AMM 25-22-00.
- [SDR SWAA2026040785972](https://openairdocs.org/sdr/SWAA2026040785972), Apr 3, 2026: BATTERY PACK. FAILED. RIGHT AFT EMERGENCY LIGHTING BATTERY PACK FAILED THE CAPACITY CHECK. REMOVED AND REPLACED BATTERY PACK PER M/M 33-51-06.
- [SDR SWAA2026040785971](https://openairdocs.org/sdr/SWAA2026040785971), Apr 3, 2026: BATTERY PACK. NO TEST. LEFT FWD EMERGENCY LIGHTING BATTERY PACK FAILED THE CAPACITY CHECK. REMOVED AND REPLACED BATTERY PACK PER M/M 33-51-06.
- [SDR SWAA2026031880169](https://openairdocs.org/sdr/SWAA2026031880169), Mar 15, 2026: FLASHLIGHT. FAILED. FA REPORTS FRONT GALLEY LOWER FLASHLIGHT NOT TESTING. REMOVED AND REPLACED IAW AMM 25-64-00-SWA-807-NG-01.
- [SDR SWAA2026021068781](https://openairdocs.org/sdr/SWAA2026021068781), Feb 7, 2026: INDICATOR. INOPERATIVE. FWD LOWER EMERGENCY FLASHLIGHT RED LIGHT NOT FLASHING. OPS CHECKED THE FWD GALLEY LOWER EMERGENCY FLASHLIGHT IAW AMM 25-64-00. OPS CHECKED GOOD.
- [SDR SWAA2026012663380](https://openairdocs.org/sdr/SWAA2026012663380), Jan 20, 2026: SMOKE DETECTOR. FAULTY. FWD LAVATORY SMOKE ALARM SOUNDED ON APPROACH. OK TO CONTINUE ON MEL 26-16-01, SP1B C/W. R & R FWD LAVATORY SMOKE DETECTOR IAW AMM 26-14-01.
- [SDR SWAA2025121251543](https://openairdocs.org/sdr/SWAA2025121251543), Dec 11, 2025: BATTERY. NO TEST. FWD FLASHLIGHT NOT TESTING. R & R BATTERY IAW AMM 25-64-00.
- [SDR SWAA2025112438491](https://openairdocs.org/sdr/SWAA2025112438491), Nov 21, 2025: BATTERY. FAILED. FWD LOWER EMERGENCY FLASHLIGHT NOT BLINKING.<[01] REPLACED FLASHLIGHT BATTERY PER AMM 25-64-00.
- [SDR SWAA2025111133531](https://openairdocs.org/sdr/SWAA2025111133531), Nov 9, 2025: BATTERY. INOPERATIVE. EMERGENCY FLASHLIGHT IN FORWARD GALLEY, INOPERATIVE. REMOVED AND REPLACED THE FLASHLIGHT BATTERY IAW AMM 25-64-00. OPS CHECKED GOOD.
- [SDR SWAA2025103029459](https://openairdocs.org/sdr/SWAA2025103029459), Oct 28, 2025: SLIDE. DISLODGED. L2 ESCAPE SLIDE FELL OUT OF COMPARTMENT. SECURED THE SLIDE INTO COMPARTMENT IAW MT 725-61-06. ACFT OK FOR SERVICE.
- [SDR SWAA2025082106043](https://openairdocs.org/sdr/SWAA2025082106043), Aug 19, 2025: BATTERY. INOPERATIVE. FWD EMERGENCY FLASHLIGHT -BOTTOM ONE INOPERATIVE. R & R FWD EMERGENCY FLASHLIGHT BATTERY IAW AMM 25-64-00.
- [SDR SWAA2025071691152](https://openairdocs.org/sdr/SWAA2025071691152), Jul 14, 2025: BATTERY. NO TEST. LOWER FWD GALLEY EMERGENCY FLASHLIGHT WOULD NOT TEST. REMOVED AND REPLACED LOWER FWD GALLEY EMERGENCY FLASHLIGHT BATTERY IN ACCORDANCE WITH AMM 25-64-00. OPS CH
- [SDR SWAA2025071489898](https://openairdocs.org/sdr/SWAA2025071489898), Jul 8, 2025: BEARING. CORRODED. L/H MLG FWD TRUNNION PIN SHOWS EVIDENCE OF CORROSION.<[01] REMOVED AND REPLACED LEFT MLG FORWARD TRUNNION BEARING ASSEMBLY PER AMM 32-11-83 AND MT 732-11-03. RE
- [SDR SWAA2025071088984](https://openairdocs.org/sdr/SWAA2025071088984), Jul 8, 2025: INTERCOSTAL. CRACKED. FWD CARGO COMPARTMENT RIGHT OF CENTER INTERCOSTAL AT STA 540 CRACKED. REMOVED AND REPLACED PER [SRM 51-40-02-0G-0-A00729 (GENERAL - FASTENER INSTALLATION AND RE
- [SDR SWAA2024112670901](https://openairdocs.org/sdr/SWAA2024112670901), Nov 23, 2024: SKIN. CRACKED. FOUND 2 CRACK ON LE SLAT #4 NOSE SKIN AT ACTUATOR ATTACHMENT POINT<[01] REMOVED #4 LEADING EDGE SLAT PER AMM 27-81-21;[02] INSPECTED INBD AND OUTBD SLAT TRACK C
- [SDR SWAA2024101547857](https://openairdocs.org/sdr/SWAA2024101547857), Oct 12, 2024: COVER. LOOSE. RT HAND (F/O SIDE) EMERGENCY EXIT LIGHT COVER LOOSE<[01] SECURED EMERGENCY LIGHT COVER PER AMM 33-51-01
- [SDR SWAA2024100845202](https://openairdocs.org/sdr/SWAA2024100845202), Oct 4, 2024: DOOR. CRACKED. LEFT GEAR CENTER DOOR RIB CRACKED FWD OF LOWER FWD ATTACH BRACKET.<[01] OK TO CONTINUE PER CDL 32-10-03 SP1B AUTHORIZATION#217177;[02] REMOVE DOORS ELECTRONICAL
- [SDR SWAA2024100744965](https://openairdocs.org/sdr/SWAA2024100744965), Oct 4, 2024: SEAL. CRACKED. RIGHT STABILIZER-TO-BODY UPPER FRONT SPAR SLIDING SEAL CRACKED<[01] REMOVED AND REPLACED RH UPPER FRONT SPAR SLIDING SEAL PER AMM 53-31-31.
- [SDR SWAA2024100744972](https://openairdocs.org/sdr/SWAA2024100744972), Oct 4, 2024: SEAL. CRACKED. LEFT STABILIZER-TO-BODY UPPER FRONT SPAR SLIDING SEAL CRACKED<[01] 01 - REMOVED AND REPLACED LH UPPER FRONT SPAR SLIDING SEAL PER [AMM 53-31-31-401 CONFIG 2-NG 
- [SDR SWAA2024082628193](https://openairdocs.org/sdr/SWAA2024082628193), Aug 20, 2024: CRADLE. INOPERATIVE. FORWARD FLIGHT ATTENDANT EMERGENCY FLASHLIGHT NOT BLINKING<[01] REMOVED AND REPLACED CRADLE PER AMM 25-64-00
- [SDR SWAA2024072314729](https://openairdocs.org/sdr/SWAA2024072314729), Jul 21, 2024: HOOK. LOOSE. PAX CABIN R1 DOOR SLIDE BAR FWD HOOK LOOSE. 2024-393518<[01] REPLACED FASTENERS ON PAX CABIN R1 DOOR SLIDE BAR FWD HOOK IAW B737-700 SRM 51-40-02-0G-0;[02] CERT
- [SDR SWAA2024071809402](https://openairdocs.org/sdr/SWAA2024071809402), Jul 5, 2024: SCUFF PLATE. CRACKED. CRACK SERVICE DOOR CENTER SCUFF PLATE AT FWD GALLEY AREA 2024-393048<[01] TOOL USED DIGITAL CALIPER P/N:500-197-30;S/N:15121570;DUE DATE:04-DEC-24.;[02] TOOL US
- [SDR SWAA2024071804426](https://openairdocs.org/sdr/SWAA2024071804426), Jun 21, 2024: SUPPORT BRACKET. CRACKED. CRACK SUPPORT BRACKET TRAILING EDGE LOCATED ORSS 265 AT LT WING 2024-393422<[01] REPLACED SUPPORT BRACKET TRAILING EDGE LOCATED ORSS 265 AT LT WING I.A.W. B737-
- [SDR SWAA2024071804425](https://openairdocs.org/sdr/SWAA2024071804425), Jun 21, 2024: SUPPORT ANGLE. CRACKED. CRACK SUPPORT ANGLE LOWER SURFACE REAR SPAR AT IRSS 139 LEVEL LT WING 2024-393421<[01] REPLACED SUPPORT ANGLE LOWER SURFACE REAR SPAR AT IRSS 139 LEVEL LT WING 
- [SDR SWAA2024071804299](https://openairdocs.org/sdr/SWAA2024071804299), Jun 21, 2024: STRUCTURE. CRACKED. CRACK INNER CHORD ON BS 294.5 RBL 52 AT FWD GALLEY AREA 2024-393453<[01] REPLACED INNER CHORD LOCATED ON BS 259.5 TO BS 360 RBL 52 AT FWD GALLEY AREA IAW B737-7
- [SDR SWAA2024071803992](https://openairdocs.org/sdr/SWAA2024071803992), Jun 20, 2024: ANGLE. CRACKED. CRACK ANGLE TRAILING EDGE LOCATED ORSS 261 INTERNAL AREA AT RT WING 2024-393413<[01] REPLACED ANGLE TRAILING EDGE LOCATED ORSS 261 INTERNAL AREA AT RT WING I.A.
- [SDR SWAA2024071802714](https://openairdocs.org/sdr/SWAA2024071802714), Jun 17, 2024: COVER. CRACKED. CRACK ON GAP COVER LOC. AT LEVEL STR-8R TO STR-9R AT FUSELAGE SKIN 2024-393323<[01] REPLACED GAP COVER LOC. AT LEVEL STR-8R TO STR-9R AT FUSELAGE SKIN IAW B737-
- [SDR SWAA2024071802524](https://openairdocs.org/sdr/SWAA2024071802524), Jun 17, 2024: FITTING. CRACKED. CRACK ON FITTING LOCATED BS 947.5 AT LEVEL STR 27L AT AFT CARGO COMPARTMENT 2024-393287<[01] REPLACED FITTING LOCATED BS 947.5 AT LEVEL STR 27L AT AFT CARGO COM
- [SDR SWAA2024071802527](https://openairdocs.org/sdr/SWAA2024071802527), Jun 17, 2024: SUPPORT. CORRODED. CORROSION SUPPORT ZEE LOCATED BTW BS 727A TO BS 807 LBL 22 WL 156.1 AT AFT CARGO COMPARTMENT AFT CARGO COMPARTMENT 2024-393296<[01] TOOL USED: ULTRASONIC EQUIPM
- [SDR SWAA2024071802528](https://openairdocs.org/sdr/SWAA2024071802528), Jun 17, 2024: SUPPORT. CORRODED. CORROSION SUPPORT ZEE LOCATED BTW BS 727E TO BS 767 RBL 22 WL 156.1 AFT CARGO COMPARTMENT 2024-393298<[01] ON STEP 4. TOOL USED: THICKNESS GAGE. P/N: 45MG. S/N:
- [SDR SWAA2024071802523](https://openairdocs.org/sdr/SWAA2024071802523), Jun 17, 2024: WEB. CORRODED. CORROSION ON WEB LOCATED BTW BS 747 TO BS 767 AT LEVEL ST 26 R AT AFT CARGO COMPARTMENT 2024-393300<[01] REPLACED WEB LOCATED BTW BS 747 TO BS 767 AT LEVEL ST 2
- [SDR SWAA2024071802707](https://openairdocs.org/sdr/SWAA2024071802707), Jun 17, 2024: WEB. CORRODED. CORROSION ON SHIELD-WEB LOCATED BTW BS 500 TO BS 500A AT LEVEL STR 25R RBL 24 AT FWD CARGO COMPARTMENT 2024-393324<[01] REPLACED SHIELD-WEB LOCATED BTW BS 500 T
- [SDR SWAA2024071802720](https://openairdocs.org/sdr/SWAA2024071802720), Jun 17, 2024: STUB FRAME. CRACKED. CRACK ON STUB FRAME LOC. AT LEVEL STR-7R TO STR-9R FWD SERVICE DOOR SIDE AT FWD GALLEY AREA 2024-393320<[01] REPLACED STUB FRAME LOC. AT LEVEL STR-7R TO STR-9R 
- [SDR SWAA2024071802353](https://openairdocs.org/sdr/SWAA2024071802353), Jun 16, 2024: RIB. CRACKED. CRACK ON SUPPORT BEAN ON DEFLECTION CONTROL RIB TRAILING EDGE AT LT WING. PERFORMED PERMANENT REPAIR LOC. ON DEFLECTION CONTROL RIB TRAILING EDGE AT LT WING. IA
- [SDR SWAA2024071802130](https://openairdocs.org/sdr/SWAA2024071802130), Jun 16, 2024: SCUFF PLATE. CRACKED. CRACK ON FWD CORNER SCUFF PLATE AT FWD CARGO 2024-393193<[01] TOOL USED DIGITAL CALIPER P/N: 500-196-30 S/N: A23325591; DUE DATE: 11-JAN-25.;[02] TOOL USED; RAD
- [SDR SWAA2024071802131](https://openairdocs.org/sdr/SWAA2024071802131), Jun 16, 2024: SCUFF PLATE. CRACKED. CRACK ON AFT CORNER SCUFF PLATE AT FWD CARGO 2024-393194<[01] TOOL USED DIGITAL CALIPER P/N:500-197-30;S/N:A23217720;DUE DATE:14-FEB-25.;[02] TOOL USED RADIOMET
- [SDR SWAA2024071802132](https://openairdocs.org/sdr/SWAA2024071802132), Jun 16, 2024: SCUFF PLATE. CRACKED. CRACK ON AFT SCUFF PLATE CORNER AFT CARGO COMPARTMENT 2024-393192<[01] TOOL USED; RADIOMETER/PHOTOMETER KIT; P/N: XRP-3000; S/N: 1859843; DUE DATE: 24/JUL/24;[0
- [SDR SWAA2024071802133](https://openairdocs.org/sdr/SWAA2024071802133), Jun 16, 2024: SCUFF PLATE. CRACKED. CRACK ON FWD SCUFF PLATE CORNER AT AFT CARGO COMPARTMENT. 2024-393195<[01] TOOL USED DIGITAL CALIPER P/N: 500-196-30; S/N: A23329419; DUE DATE: 18/ FEB /25.;[02
- [SDR SWAA2024071802134](https://openairdocs.org/sdr/SWAA2024071802134), Jun 16, 2024: SCUFF PLATE. CRACKED. CRACK ON CENTER SCUFF PLATE AT AFT CARGO COMPARTMENT. 2024-393196<[01] TOOL USED DIGITAL CALIPER P/N:500-197-30;S/N:A23217720;DUE DATE:14-FEB-25.;[02] TOOL USED
- [SDR SWAA2024071602255](https://openairdocs.org/sdr/SWAA2024071602255), Jun 16, 2024: LIGHT. DETERIORATED. DETERIORATE PHOTOLUMINICENT PAX LIGHTING AT PASSENGER CABIN (8EA) 2024-393235<[01] REPLACED PHOTOLUMINICENT PAX LIGHTING AT PASSENGER CABIN (8EA) IAW B737-700 D
- [SDR SWAA2024071802128](https://openairdocs.org/sdr/SWAA2024071802128), Jun 15, 2024: ANGLE. CRACKED. CRACK ON ANGLE LOCATED CEILING AREA BTW BS 727B TO BS 727E LBL 50 AT AFT CARGO COMPARTMENT 2024-393186<[01] ON STEP 6: TOOL USED EDDY CURRENT EQUIPMENT PN: NORT
- [SDR SWAA2024071802039](https://openairdocs.org/sdr/SWAA2024071802039), Jun 15, 2024: TIE CLIP. CRACKED. CRACK TIE CLIP LOCATED STA 277 AND STR 10R AT PASSENGER CABIN 2024-393159<[01] TOOL USED: ELECTRONIC CALIPER P/N: 500-752-20; S/N: B21038234; DUE DATE: 31-OCT-2
- [SDR SWAA2024071802033](https://openairdocs.org/sdr/SWAA2024071802033), Jun 15, 2024: INTERCOSTAL. CRACKED. CRACK WEB - INTERCOSTAL LOCATED BTW STA 294.5 TO STA 303.9 STR 16L AT PASSENGER CABIN 2024-393156<[01] TOOL USED: DIGITAL CALIPER P/N 700-113-10 S/N 0033168 DUE
- [SDR SWAA2024071802040](https://openairdocs.org/sdr/SWAA2024071802040), Jun 15, 2024: FRAME. CRACKED. CRACK FRAME AT STA 312 AND BTW STR 5L TO STR 6L AT PASSENGER CABIN 2024-393157<[01] TOOL USED STEP 3: EDDY CURRENT EQUIPMENT; P/N: NORTEC 600D; S/N: 220272512; 
- [SDR SWAA2024071802126](https://openairdocs.org/sdr/SWAA2024071802126), Jun 15, 2024: WEB. CRACKED. CRACK ON WEB LOCATED BTW 500 TO BS 500A AT LEVEL STR 26L AT FWD CARGO COMPARTMENT 2024-393180<[01] REPLACED WEB LOCATED BTW 500 TO BS 500A AT LEVEL STR 26L AT F
- [SDR SWAA2024071802127](https://openairdocs.org/sdr/SWAA2024071802127), Jun 15, 2024: WEB. CRACKED. CRACK ON WEB LOCATED CEILING AREA BTW BS 847 TO BS 867 AT AFT CARGO COMPARTMENT 2024-393184<[01] REPLACED WEB LOCATED CEILING AREA BTW BS 847 TO BS 867 AT AFT C
- [SDR SWAA2024071801520](https://openairdocs.org/sdr/SWAA2024071801520), Jun 14, 2024: BEAR STRAP. CRACKED. CRACK INDICATION ON FRAME ON BS 294.5 BEAR STRAP AROUND FASTENER HOLE BETWEEN S-8R AND S-9R AT FWD GALLEY AREA. PERFORMED PERMANENT REPAIR ON FRAME ON BS 294.5 
- [SDR SWAA2024071801515](https://openairdocs.org/sdr/SWAA2024071801515), Jun 13, 2024: SUPPORT ANGLE. CRACKED. CRACK ANGLE - SUPPORT LOCATED BTW STA 927 TO STA 947.5 AND BL 0 AT AFT GALLEY AREA 2024-393071<[01] REPLACED ANGLE - SUPPORT LOCATED BTW STA 927 TO STA 947.5 AN
- [SDR SWAA2024071801309](https://openairdocs.org/sdr/SWAA2024071801309), Jun 13, 2024: FLOOR SUPPORT. CORRODED. CORROSION WEB - INTERCOSTAL FLOOR STRUCTURE BTW BS 294.5 TO BS 312 LBL 12 AND WL 208.1 AT FWD GALLEY AREA 2024-393043<[01] REPLACED WEB INTERCOSTAL FLOOR STRUCT
- [SDR SWAA2024071801315](https://openairdocs.org/sdr/SWAA2024071801315), Jun 13, 2024: FLOORBEAM. CORRODED. CORROSION FLOOR STRUCTURE BEAM 986.5 LBL 43 AND WL 208.1 AT AFT GALLEY AREA 2024-393049<[01] TOOL USED IN STEP 5 AND 6: EDDY CURRENT INSTRUMENT P/N: NORTEC 600D

All 273: https://openairdocs.org/aircraft/N251WN/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 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 series engine: https://openairdocs.org/engine/cfm-international-cfm56-7b24-series.md

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