# SDR SWAA2021090713727

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 31, 2021
- Submitted: September 7, 2021
- Operation: Air carrier
- Aircraft: [N476WN](https://openairdocs.org/aircraft/N476WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32475
- Aircraft time: 58,444 hours, 34,672 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Structure
- Condition: Cracked
- Location: Bs 663
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021090713727

## Discrepancy

STA 663 O/B OF RBL 45 WL 200 UPPER CHORD CRACKED.  REPAIRED STA 663 UPPER CHORD O/B OF RBL 45 AT WL 200 I/A/W EA 21-157-02567.

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