# SDR SWAA021737

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2002
- Submitted: August 9, 2002
- Operation: Air carrier
- Aircraft: [N129SW](https://openairdocs.org/aircraft/N129SW), registered now
- Make and model: Boeing 737-2K6
- Registry model: [Boeing 737-2K6](https://openairdocs.org/model/boeing-737-2k6) (OpenAirDocs)
- Aircraft serial: 22340
- Aircraft time: 63,608 hours, 63,019 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Stiffener
- Part number: BAC1503
- Condition: Cracked
- Location: Lh Mlg W/W
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA021737

## Discrepancy

DURING SCHEDULED 1/4D CHECK, FOUND VERTICAL STIFFENER CRACKED AT BS 663, LBL 56.  REMOVED AND REPLACED STIFFENER PER SRM.

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