# SDR SWAA2024073006526

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 27, 2024
- Submitted: July 30, 2024
- Operation: Air carrier
- Aircraft: [N478WN](https://openairdocs.org/aircraft/N478WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33989
- Aircraft time: 66,062 hours, 39,438 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Cracked
- Location: Zone 100
- 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/SWAA2024073006526

## Discrepancy

CRACKED STRINGER MAIN DISTRIBUTION BAY BS535 S-23L WL150<[01] REMOVED DAMAGED SECTION OF STR-23L BS 535 TO 500D +11'' AND INSTALLED REPAIR PARTS; NEW SECTION OF STR-23L AND HAT CHANNEL BS 535 TO 500D+11' STR-23L. IAW SRM 53-00-03-2R-1 PAR. 4 A-L. AND DWG 143A3210 REV.B;143A0060 REV.A.;[02] VERIFIED CORRECTIVE ACTION;[03] VERIFIED CORRECTIVE ACTION

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