# SDR SWAA2021052464707

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2021
- Submitted: May 24, 2021
- Operation: Air carrier
- Aircraft: [N7815L](https://openairdocs.org/aircraft/N7815L), registered now
- Make and model: Boeing 737-76Q
- Registry model: [Boeing 737-76Q](https://openairdocs.org/model/boeing-737-76q) (OpenAirDocs)
- Aircraft serial: 30288
- Aircraft time: 54,841 hours, 31,697 cycles
- System (JASC): [5530 · Vertical Stabilizer](https://openairdocs.org/jasc/5530)
- Part: Rib
- Condition: Cracked
- Location: Vertical Stab
- 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/SWAA2021052464707

## Discrepancy

DORSAL FIN HAS FWD RIB CRACKED / REMOVED AND REPLACED FWD RIB FOR DORSAL FIN AS PER REF B737-7 SRM 51-40-02-0G-0 AND DWG REF 174A0103; RIB WAS FABRICATED AS PER DWG REF 174A1108 AND BAC 56022.MAT USED 2024-0 CLAD 0.040'. PO 1679582.

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