# SDR SWAA2020121432521

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2020
- Submitted: December 14, 2020
- Operation: Air carrier
- Aircraft: [N932WN](https://openairdocs.org/aircraft/N932WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36639
- Aircraft time: 39,276 hours, 23,728 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Part number: 186A1306
- Condition: Cracked
- Location: Horizontal 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/SWAA2020121432521

## Discrepancy

CRACK LEADING EDGE RIB LOCATED ON STA 123.85 RT HORIZONTAL STAB.  REPLACED NEW RIB AND FASTENER LOCATED ON STA 123.85 RT HORIZONTAL STAB, IAW B737-700 SRM 51-10-02 STEP 4 AND DRAWING NR 186A1306 REV- P/N:186A1352-12.

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