# SDR SWAA2020101919796

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 2020
- Submitted: October 19, 2020
- Operation: Air carrier
- Aircraft: [N7879A](https://openairdocs.org/aircraft/N7879A), registered now
- Make and model: Boeing 737-7K9
- Registry model: [Boeing 737-7K9](https://openairdocs.org/model/boeing-737-7k9) (OpenAirDocs)
- Aircraft serial: 34321
- Aircraft time: 46,064 hours, 22,543 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Part number: 186A1001
- Condition: Cracked
- Location: Horizontal 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/SWAA2020101919796

## Discrepancy

CRACK LEADING EDGE RIB AT LEADING EDGE STA 95.96 AT LT HORIZONTAL STABILIZER.   REPLACED LEADING EDGE RIB AT LEADING EDGE STA 95.96 AT LT HORIZONTAL STABILIZER, IAW B737-700 SRM 51-40-02 AND DWG 186A1001 REV B.

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