# SDR SWAA2025030491857

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2025
- Submitted: March 4, 2025
- Operation: Air carrier
- Aircraft: [N937WN](https://openairdocs.org/aircraft/N937WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36644
- Aircraft time: 51,274 hours, 31,273 cycles
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Web
- Condition: Cracked
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025030491857

## Discrepancy

VISUALLY INSPECT BS 663 (IN THE MAIN WHEEL WELL AREA) VAPOR BARRIER; BULKHEAD; WEB; AND UPPER ATTACH ANGLES FOR DEFECTS <[01].  L/H LOWER VAPOR BARRIER WAS FOUND TO BE CRACKED REFER TO FAULT TTG8Q00YFU6E WHERE REPAIR IS BEING ACCOMPLISHED; REF: INCOMING TLD FAULT; TTG8Q00X463K.; [02] VISUALLY INSPECTED BS663 IN THE MAIN WHEEL WELL AREA; VAPOR BARRIER; BULKHEAD; WEB; AND UPPER ATTACH ANGLES FOR DEFECTS PER AMM 05-41-01.

---
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.