# SDR SWAA2020111021517

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 5, 2020
- Submitted: November 10, 2020
- Operation: Air carrier
- Aircraft: [N931WN](https://openairdocs.org/aircraft/N931WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36637
- Aircraft time: 39,335 hours, 23,819 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- 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/SWAA2020111021517

## Discrepancy

CRACK INSPAR RIB 120.30 AT 36 INCHES OF FRONT SPART AT RT HORIZONTAL STABILIZER.  REPAIRED INSPAR RIB 120.30 AT 14 INCHES FRONT SPART TO 37 INCHES FRONT SPART AT RT HORIZONTAL STABILIZER, IAW B737-700 SRM 55-10-09-2R-5.  THIS REPAIR IS CATEGORY A AND NOT FURTHER ACTION OF MAINTENANCE OR INSPECTION IS REQUIRED.  ALL STEP ARE DOCUMENTED ON NRC L181395.

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