# SDR SWAA2021060777121

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2021
- Submitted: June 7, 2021
- Operation: Air carrier
- Aircraft: [N437WN](https://openairdocs.org/aircraft/N437WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29832
- Aircraft time: 61,136 hours, 35,877 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Bs 294-303 S15l
- 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/SWAA2021060777121

## Discrepancy

CRACK STRINGER 15L LOCATED BETWEEN BS 294.5 TO BS 303.9 AT PASSENGER CABIN / PERFORMED PERMANENT REPAIR LOC STR 15L BTW BS 294.5 TO BS 303.9 AT PASSENGER CABIN IAW B737-700 EA # 21 -153-01421 REV IR EA # 53-0242-21 REV #0

---
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.
