# SDR SWAA2020071595445

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 2020
- Submitted: July 15, 2020
- Operation: Air carrier
- Aircraft: [N486WN](https://openairdocs.org/aircraft/N486WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33852
- Aircraft time: 54,585 hours, 32,477 cycles
- System (JASC): [5531 · Vertical Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5531)
- Part: Rib
- Part number: 174A0103
- Condition: Cracked
- Location: Vertical Stab
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2020071595445

## Discrepancy

DORSAL FIN FWD RIB AT BS867.0 IS CRACKED.  REMOVED & REPLACED DORSAL FIN FWD RIB AT BS 867 IAW SRM 51-40-02 STEP 4 & 6 & DWG 174A0103 ID 0003 REV A.

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