# SDR SWAA053515

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2005
- Submitted: November 8, 2005
- Operation: Air carrier
- Aircraft: [N335SW](https://openairdocs.org/aircraft/N335SW), registered now
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 23939
- Aircraft time: 58,028 hours, 53,579 cycles
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Stiffener
- Part number: BAC1518
- Condition: Cracked
- Location: Bulkhead
- 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/SWAA053515

## Discrepancy

DURING SCHEDULED 1/4D CHECK, FOUND LEFT MLG W/W VERTICAL STIFFENER CRACKED AT BS 663 BULKHEAD, LBL 6.15.  REPAIRED STIFFENER PER SWA EA.

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