# SDR SWAA2026010550961

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2025
- Submitted: January 5, 2026
- Operation: Air carrier
- Aircraft: [N453WN](https://openairdocs.org/aircraft/N453WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29847
- Aircraft time: 70,040 hours, 41,687 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Condition: Cracked
- Location: Zone 300
- 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/SWAA2026010550961

## Discrepancy

CRACK INSPAR RIB 129.50 LOCATED AT 27 INCHES OF FRONT SPAR AT LT HORIZONTAL STAB.   PERFORMED PERMANENT REPAIR LOCATED ON INSPAR RIB STAB BS 129.50 AND 17 INCHES OF REAR SPAR AT LT HORIZONTAL STABILIZER. IAW SRM 51-40-02 SRM 55-10-09-2R-5. REPAIR 5.

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