# SDR SWAA2025110724039

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2025
- Submitted: November 7, 2025
- Operation: Air carrier
- Aircraft: [N236WN](https://openairdocs.org/aircraft/N236WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34631
- Aircraft time: 64,050 hours, 38,395 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/SWAA2025110724039

## Discrepancy

LEFT HORIZONTAL STAB L/E HAS CRACKED RIB AT HSS 105.26.  REMOVED AND REPLACED THE RIB IAW SRM 51-40-02, & DWG 186A1001, REV A.

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