# N556WN: 2011 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 CFM56-7B24/3 series](https://openairdocs.org/engine/cfm-international-cfm56-7b24-3-series) (registry code 13074)
- Serial number: 33936
- Year built: 2011
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: April 8, 2011
- Certificate issued: May 13, 2011
- Expires: May 31, 2027
- Mode S code: A717B6
- 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=556WN
- Page: https://openairdocs.org/aircraft/N556WN

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 737-7BD)

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 N556WN.

## FAA accident and incident reports

None matched to N556WN.

## Service difficulty reports (213, 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 SWAA2026072728340](https://openairdocs.org/sdr/SWAA2026072728340), Jul 22, 2026: LENS. BROKEN. EMERGENCY EXIT LENS BROKEN FWD OF RIGHT OVERWING EXIT DOOR. R & R EMERGENCY EXIT LENS FWD OF RIGHT OVERWING EXIT DOOR IAW AMM 33-51-01.
- [SDR SWAA2026042791781](https://openairdocs.org/sdr/SWAA2026042791781), Apr 22, 2026: TIRE. FAILED. NOTED VIBRATION ON TAKEOFF ROLL AND LANDING. DISCOVERED #3 MAIN TIRE BLOWN<[01] R & R #3 & #4 MAIN TIRES PER AMM 32-45-11;[02] SEE W/O 122473468 FOR REPAIR ACTI
- [SDR SWAA2026042793344](https://openairdocs.org/sdr/SWAA2026042793344), Apr 22, 2026: FLAP. DAMAGED. NOTED VIBRATION ON TAKEOFF ROLL AND LANDING. DISCOVERED #3 MAIN TIRE BLOWN<[01] R & R #3 & #4 MAIN TIRES PER AMM 32-45-11;[02] SEE W/O 122473468 FOR REPAIR ACTI
- [SDR SWAA2026042793345](https://openairdocs.org/sdr/SWAA2026042793345), Apr 22, 2026: FLAP. DAMAGED. NOTED VIBRATION ON TAKEOFF ROLL AND LANDING. DISCOVERED NR 3 MAIN TIRE BLOWN. R & R NR 3 & 4 MAIN TIRES IAW AMM 32-45-11. R & R RT INBD T/E MAIN FLAP, RT INBD T
- [SDR SWAA2026040184004](https://openairdocs.org/sdr/SWAA2026040184004), Mar 28, 2026: LAMP. INOPERATIVE. LEFT AFT WING EMERGENCY EXIT LIGHT INOPERATIVE. REPLACED THE LAMP IAW AMM 33-51-04. OPS CHECKED GOOD.
- [SDR SWAA2026030375491](https://openairdocs.org/sdr/SWAA2026030375491), Mar 1, 2026: COVER. LOOSE. RIGHT EMERGENCY EXIT DOOR LOWER HANDLE COVER TRIM LOOSE. SECURED THE HANDLE COVER TRIM IAW SIP. ACFT OK FOR SERVICE.
- [SDR SWAA2025061079761](https://openairdocs.org/sdr/SWAA2025061079761), Jun 8, 2025: HANDLE. BROKEN. PLASTIC AFT SERVICE DOOR HANDLE IS BROKEN.<[01] R&R PLASTIC AFT TOP SERVICE DOOR HANDLE REF AMM 20-50-11.
- [SDR SWAA2025051970215](https://openairdocs.org/sdr/SWAA2025051970215), May 13, 2025: LAMP. INOPERATIVE. R/H OVERWING EXIT AFT EMERGENCY LIGHT INOP<[01] RELAMPED PER AMM 33-51-01;[02] 02 - INSPECTED PER [AMM 33-51-01-960-801-NG (EXIT SIGN - LAMP REPLACEMENT - PERMA
- [SDR SWAA2025042927727](https://openairdocs.org/sdr/SWAA2025042927727), Apr 23, 2025: FUSE. INOPERATIVE. LEFT OVERWING EMERGENCY LIGHTS INOP<[01] REMOVED AND REPLACED ALL FUSES IN LEFT OVERWING EMERGENCY BATTERY PACK AND OPS CHECK GOOD IAW SWA B737-700 AMM 33-51-06
- [SDR SWAA2025042921867](https://openairdocs.org/sdr/SWAA2025042921867), Apr 5, 2025: HANDLE. LOOSE. CR RR L-1 DOOR ASSIST HANDLE NEEDS SECURED<[01] SECURED L-1 DOOR ASSIST HANDLE IAW B737-700 AMM 52-11-31-400-802;[02] SECURED L-1 DOOR ASSIST HANDLE IAW B737-70
- [SDR SWAA2025042921868](https://openairdocs.org/sdr/SWAA2025042921868), Apr 5, 2025: HANDLE. LOOSE. CR RR R2 DOOR ASSIST HANDLES NEEDS SECURED R2 DOOR ASSIST HANDLES NEEDS SECURED<[01] SECURED ASSIST HANDLE ON R2 DOOR IAW B737-700 AMM 52-41-31-400-802;[02] SEC
- [SDR SWAA2025042949321](https://openairdocs.org/sdr/SWAA2025042949321), Mar 18, 2025: SKIN. CRACKED. FOUND CRACK ON LEFT WING LOWER WING SKIN WS537.5+4.5-537.5+9 2' FROM SKIN LEADING EDGE<[01] ENTERED LOCATION OF CORROSION IN MEASUREMENTS IN THE N/A FIELDS -WS5
- [SDR SWAA2025042904191](https://openairdocs.org/sdr/SWAA2025042904191), Mar 11, 2025: SKIN. CORRODED. FOUND CORROSION ON FWD CARGO DOOR INNER SKIN 14' FROM AFT END AND 3.25' FROM LOWER END<[01] FAULT RESOLVED ON OTHER FAULT. FORWORD CARGO DOOR REPLACED ON TTG8Q0
- [SDR SWAA2025042949299](https://openairdocs.org/sdr/SWAA2025042949299), Mar 7, 2025: STRIP. CRACKED. AFT CARGO FWD BHD LOWER CAPSTRIP HAS SECTION CRACKED OFF<[01] REMOVED AND REPLACED LOWER CAP STRIP IAW B737-700 SRM 51-40-02 AND AMM 20-50-11;[02] VERIFIED REMO
- [SDR SWAA2025042902828](https://openairdocs.org/sdr/SWAA2025042902828), Mar 6, 2025: STUB FRAME. CRACKED. MAIN CABIN R1 DOOR CUTOUT FWD UPPER CORNER CRACK INDICATION AT STUB FRAME 1.25'<[01] REMOVED AND REPLACED R1 DOOR STUBFRAME PN:141A8371U7. IAW BOEING DWG 141A83
- [SDR SWAA2025042902315](https://openairdocs.org/sdr/SWAA2025042902315), Mar 5, 2025: SUPPORT BRACKET. CRACKED. MAIN CABIN R/H SIDE; WIRE BUNDLE SUPPORT BRACKET CRACKED AT BS 876 BETWEEN STRINGERS S-2R AND S-3R. MAIN CABIN R/H SIDE WIRE BUNDLE SUPPORT BRACKET CRACKED AT B
- [SDR SWAA2024070909655](https://openairdocs.org/sdr/SWAA2024070909655), Jul 6, 2024: BATTERY PACK. INOPERATIVE. FOUND FWD SERVICE DOOR AND RH ROW 6 EMERGENCY EXIT LIGHTS INOP<[01] 01 - REMOVED AND REPLACED PER [AMM 33-51-06-960-805-NG (POWER SUPPLY - BATTERY PACK REPLACEM
- [SDR SWAA2024042980168](https://openairdocs.org/sdr/SWAA2024042980168), Apr 28, 2024: LAMP. INOPERATIVE. L1 DOOR EXTERIOR EMERGENCY LIGHT INOP<[01] REPLACED LAMP FOR THE L1 DOOR EXTERIOR EMERGENCY LIGHT IAW AMM 33-51-04. OPS CHECK GOOD.
- [SDR SWAA2023121129777](https://openairdocs.org/sdr/SWAA2023121129777), Dec 8, 2023: LENS. MISSING. CA SIDE EMERGENCY EXIT LENSE MISSING<[01] INSTALLED NEW LENS REF. SIP.;[02] INSTALLED NEW LENS REF. SIP.
- [SDR SWAA2023101610420](https://openairdocs.org/sdr/SWAA2023101610420), Oct 13, 2023: LIGHT. ODOR. PILOT REPORTS AN ODOR OF POSSIBLE ELECTRIC SMELL IN THE AFT CABIN AREA.<[01] PERFORMED CONDITIONAL INSPECTION REF AMM 05-51-56 FOUND LIGHT ASSY. AT 21ABC POSSIB
- [SDR SWAA2023090797734](https://openairdocs.org/sdr/SWAA2023090797734), Sep 7, 2023: LIGHT. INOPERATIVE. EMERGENCY EXIT AISLE LIGHT AT STA 520 INOP<[01] REMOVED AND REPLACED HOUSING ASSY PER AMM 33-51-03 OPS CHECK GOOD
- [SDR SWAA2023040322385](https://openairdocs.org/sdr/SWAA2023040322385), Mar 31, 2023: LIGHT. INOPERATIVE. EMERGENCY LIGHT IN FLIGHT DECK IS INOP<[01] RELAMPED EMERGENCY LIGHT IN FLIGHT DECK AND PERFORMED GOOD OPERATIONAL TEST IAW AMM 33-14-00-960-804.;[02] VERIFIED 
- [SDR SWAA2023033021643](https://openairdocs.org/sdr/SWAA2023033021643), Mar 29, 2023: LIGHT. INOPERATIVE. EMERGENCY EXIT SIGN ON AFT LAV HAS BURNED OUT LIGHT BULBS<[01] RE-LAMP EMERGENCY EXIT SIGN ON AFT LAV AND PERFORMED GOOD FUNCTIONAL TEST IAW AMM 33-51-01-960-80
- [SDR SWAA2023033021641](https://openairdocs.org/sdr/SWAA2023033021641), Mar 28, 2023: LIGHT. INOPERATIVE. LEFT EMERGENCY GROUND ILLUMNATION LIGHT IS INOP<[01] RE-LAMPED LEFT EMERGENCY GROUND ILLUMNATION LIGHT AND PERFORMED GOOD FUNCTIONAL TEST IAW 33-51-04-960-801.;
- [SDR SWAA2023040321227](https://openairdocs.org/sdr/SWAA2023040321227), Mar 27, 2023: SLIDE. OUT OF ADJUST. AFT ENTRY DOOR ESCAPE SLIDE FLAP SNAGS AGAINST SCUFF PLATE WHILE CLOSING DOOR<[01] ADJUSTED AFT ENTRY DOOR ESCAPE SLIDE FLAP PER AMM 25-66-01-200-802 STEP 3. B.
- [SDR SWAA2023033021226](https://openairdocs.org/sdr/SWAA2023033021226), Mar 27, 2023: SIGN. DAMAGED. CENTER OVER WING EXIT SIGN DAMSGED<[01] REMOVED AND REPLACED CENTER OVER WING EXIT SIGN IAW AMM 33-51-01-960-802;[02] EDIT FOR CORRECTIVE 1: PERFORMED GOOD OPER
- [SDR SWAA2023033021047](https://openairdocs.org/sdr/SWAA2023033021047), Mar 27, 2023: BATTERY PACK. INOPERATIVE. SEVERAL AISLE BIN LIGHTS ASSOCIATED WITH M1669 INOP AISLE LIGHTS AT STA600 RBL30 AND STA680 RBL30 INOP<[01] RELAMPED INOP AISLE LIGHTS AT STA600 RBL30 AND STA68
- [SDR SWAA2023033021044](https://openairdocs.org/sdr/SWAA2023033021044), Mar 26, 2023: BATTERY PACK. INOPERATIVE. EMERGENCY EXIT LIGHTS ASSOCIATED WITH BATTERY PACK M1670 ARE INOP<[01] FOUND CONNECTOR TO BATTERY CHARGER FOR M1670 DISCONNECTED. RECONNECTED; AND PERFORMED GOO
- [SDR SWAA2023033021045](https://openairdocs.org/sdr/SWAA2023033021045), Mar 26, 2023: BATTERY PACK. INOPERATIVE. EMERGENCY EXIT LIGHTS ASSOCIATED WITH BATTERY PACK M1668 ARE INOP<[01] FOUND BATTERY CHARGER FOR M1668 DISCONNECTED. RECONNECTED; AND PERFORMED GOOD TEST OF EME
- [SDR SWAA2023033021046](https://openairdocs.org/sdr/SWAA2023033021046), Mar 26, 2023: BATTERY PACK. INOPERATIVE. EMERGENCY EXIT LIGHTS ASSOCIATED WITH BATTERY PACK M1672 ARE INOP<[01] SWAPPED BATTERY PACKS M1672 WITH KNOWN GOOD M1673 BATTERY PACK. LIGHTS ASSOCIATED TO M167
- [SDR SWAA2023033021043](https://openairdocs.org/sdr/SWAA2023033021043), Mar 26, 2023: BATTERY PACK. INOPERATIVE. EMERGENCY EXIT LIGHTS ASSOCIATED WITH BATTERY PACK M2335 ARE INOPERATIVE. FOUND CONNECTOR TO BATTERY CHARGER FOR M2335 DISCONNECTED. RECONNECTED; AND PERFORMED 
- [SDR SWAA2023040418564](https://openairdocs.org/sdr/SWAA2023040418564), Mar 19, 2023: FLOOR PANEL. CORRODED. 2 EACH FLOORBOARD FASTENER HOLES ALONG THE AFT EDGE; IN PANEL 241AAF REQUIRE RELOCATION DUE TO FLOOR BEAM REPAIR AT BS 986<DURING REPAIR OF FLOOR BEAM AT BS 986
- [SDR SWAA2023040417603](https://openairdocs.org/sdr/SWAA2023040417603), Mar 16, 2023: STRUCTURE. OUT OF ROUND. 4EA HOLES IN BS 1016 LOWER BULKHEAD COMMON TO Y CHORD RBL 2-5 ARE OUT OF ROUND<[01] OVERSIZED 4(EA) HOLES IN BS 1016 LOWER BULKHEAD COMMON TO Y CHORD RBL 2-5 ; 
- [SDR SWAA2023033117604](https://openairdocs.org/sdr/SWAA2023033117604), Mar 16, 2023: STIFFENER. CORRODED. CORROSION ON STIFFENER COMMON TO BS 1016 BULKHEAD BL 0; ON R/H FLANGE COMMON TO Y CHORD; FWD FASTENER HOLE<[01] VERIFIED APPLICABILITY OF SRM 53-80-08-01-1 FOR 
- [SDR SWAA2023033017602](https://openairdocs.org/sdr/SWAA2023033017602), Mar 16, 2023: SEAT TRACK. CORRODED. COCKPIT SEAT TRACKS CORRODED ON BOTTOM SURFACE; CAPTAIN'S FWD INBOARD AND AFT OUTBOARD; F/O'S FWD INBOARD AND OUTBOARD (4 EA)<[01] CORROSION ON COCKPIT SEAT TRA
- [SDR SWAA2023033016498](https://openairdocs.org/sdr/SWAA2023033016498), Mar 15, 2023: WEB. CORRODED. WHILE PERFORMING OK TO CIC FOUND CORROSION ON THE INTERNAL PRESSURE BULKHEAD WEB SKIN AFT OF BS 1016 TO 2' UP THE PRESSURE WEB FROM RBL5-LBL4. REMOVED CORROSION
- [SDR SWAA2023040414820](https://openairdocs.org/sdr/SWAA2023040414820), Mar 10, 2023: SUPPORT. CORRODED. AFT CARGO BAY - CORROSION ON SIDEWALL SUPPORT AT RBL 20 BS 887+3; BS 907+2; BS 927+2.<[01] VERIFIED APPLICABILITY OF SRM 53-70-53-01-2 FOR IDENTIFICATION AND SR
- [SDR SWAA2023033114053](https://openairdocs.org/sdr/SWAA2023033114053), Mar 8, 2023: FRAME. CRACKED. FRAME CRACKED BS360 R/H AT BIN RAIL ATTACH POINT BETWEEN STR 8R-9R<[01] REMOVED DAMAGE ON FRAME BS 360 R/H AT BIN RAIL ATTACH POINT BTW S-8R - S-9R; CUT OUT ARE
- [SDR SWAA2023033113012](https://openairdocs.org/sdr/SWAA2023033113012), Mar 7, 2023: FRAME. CRACKED. STA 380 FRAME WEB IS CRACKED AT BIN RAIL FITTING; 3' BELOW STRINGER S-8L<[01] WILL BE ACCOMPLISHED ON CUSTOMER FAULT TTG8Q00JBF1P.;[02] VERIFIED CORRECTIVE ACTI
- [SDR SWAA2023033113006](https://openairdocs.org/sdr/SWAA2023033113006), Mar 7, 2023: FRAME. CRACKED. FRAME CRACKED BS400 L/H AT BIN RAIL ATTACH POINT; BETWEEN STR8L-9L<[01] REMOVED DAMAGE ON FRAME BS 440 L/H AT BIN RAIL ATTACH POINT BTW S-8L - S-9L; CUT OUT ARE
- [SDR SWAA2023033013008](https://openairdocs.org/sdr/SWAA2023033013008), Mar 7, 2023: STRINGER. CRACKED. STRINGER CLIP CRACKED; BS360 R/H; STR 8R<[01] REMOVED STRINGER CLIP AT BS 360 R/H S-8R IAW SRM 51-40-02-0G-0;[02] INSTALLED NEW STRINGER CLIP ON BS360RH; STR 8R
- [SDR SWAA2023033013004](https://openairdocs.org/sdr/SWAA2023033013004), Mar 7, 2023: FRAME. CRACKED. FRAME CRACKED BS400 R/H AT BIN RAIL ATTACH POINT BETWEEN STR8R-9R. ACCOMPLISHED HFEC SURFACE SCAN IAW NDTM PART 6 CHAPTER 51-00-00 PROCEDURE 23. VERIFIED MULTIP
- [SDR SWAA2023033013007](https://openairdocs.org/sdr/SWAA2023033013007), Mar 7, 2023: FRAME. CRACKED. FRAME CRACKED BS440 L/H; AT BIN RAIL ATTACH POINT; BETWEEN STR8L-9L<[01] REMOVED DAMAGE ON FRAME BS 440 L/H AT BIN RAIL ATTACH POINT BTW S-8L - S-9L; CUT OUT AR
- [SDR SWAA2023033013009](https://openairdocs.org/sdr/SWAA2023033013009), Mar 7, 2023: FRAME. CRACKED. FRAME CRACKED BS400 R/H AT BIN RAIL ATTACH POINT BETWEEN STR8R-9R<[01] VERIFY CRACK LENGTH BY NDI HFEC PROCEDURE.;[02] ACCOMPLISHED HFEC SURFACE SCAN IAW 737 ND
- [SDR SWAA2023033013010](https://openairdocs.org/sdr/SWAA2023033013010), Mar 7, 2023: FRAME. CRACKED. FRAME CRACKED BS440 R/H AT BIN RAIL ATTACH POINT; BETWEEN STR8R-9R. ACCOMPLISHED HFEC SURFACE SCAN IAW NDTM PART 6 CHAPTER 51-00-00 PROCEDURE 23. VERIFIED CRACK
- [SDR SWAA2023033013011](https://openairdocs.org/sdr/SWAA2023033013011), Mar 7, 2023: FRAME. CRACKED. FRAME CRACKED BS 867 R/H AT BIN RAIL ATTACH POINT BETWEEN STR8R-9R. ACCOMPLISHED HFEC SURFACE SCAN IAW NDTM PART 6 CHAPTER 51-00-00 PROCEDURE 23. VERIFIED CRACK
- [SDR SWAA2023033013013](https://openairdocs.org/sdr/SWAA2023033013013), Mar 7, 2023: WEB. CRACKED. STA 867 FRAME WEB IS CRACKED 3' BELOW STRINGER S-8R; AT BIN RAIL FITTING.<[01] WILL BE ACCOMPLISHED ON CUSTOMER FAULT TTG8Q00JBFXZ.;[02] VERIFIED CORRECTIVE ACT
- [SDR SWAA2023033112997](https://openairdocs.org/sdr/SWAA2023033112997), Mar 6, 2023: INTERCOSTAL. CRACKED. INTERCOSTAL CRACKED AT CTR HOLE; BS380-400; RBL42; WL206<[01] NOT ALLOWABLE DAMAGE FOUND ON SRM PART THAT DO NOT ENTRIES ARE CALLED REPAIRABLE BY REPLACEMENT IA
- [SDR SWAA2023033112998](https://openairdocs.org/sdr/SWAA2023033112998), Mar 6, 2023: INTERCOSTAL. CRACKED. INTERCOSTAL CRACKED AT CTR HOLE; BS380-400; BL-0; WL 206;<[01] NOT ALLOWABLE DAMAGE FOUND ON SRM PART THAT DO NOT ENTRIES ARE CALLED REPAIRABLE BY REPLACEMENT I
- [SDR SWAA2023033012989](https://openairdocs.org/sdr/SWAA2023033012989), Mar 6, 2023: INTERCOSTAL. CRACKED. AFT CARGO BAY INTERCOSTAL UNDER FLOOR TO SIDEWALL SUPPORT IS CRACKED AT BS 927-947 RBL 20<[01] NO ALLOWABLE DAMAGE LIMITS IN SRM<BR>REPAIR BY REPACEMENT IAW SRM

All 213: https://openairdocs.org/aircraft/N556WN/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 CFM56-7B24/3 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 737-7BD aircraft: https://openairdocs.org/model/boeing-737-7bd/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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