# SDR SWAA2025031298537

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2025
- Submitted: March 12, 2025
- Operation: Air carrier
- Aircraft: [N936WN](https://openairdocs.org/aircraft/N936WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36643
- Aircraft time: 51,176 hours, 31,176 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/SWAA2025031298537

## Discrepancy

CRACK RIB 8 ON ACCESS PANEL 321A DORSAL FIN VERTICAL STABILIZER 2025-151899 <[01].  REMOVED AND REPLACED RIB 8 AND FASTENERS LOCATED ON ACCESS PANEL 321A DORSAL FIN VERTICAL STABILIZER. IAW B737-700 SRM 51-10-02 PARAGRAPH 9. SRM 51-40-02 AND DWG# 174A1008. SHEET 2. REV. ?C?. SEE INDIVIDUAL SIGN OFF BELOW.; [02] REMOVED AND REPLACED RIB 8 AND FASTENERS LOCATED ON ACCESS PANEL 321A DORSAL FIN VERTICAL STABILIZER. IAW B737-700 SRM 51-10-02 PARAGRAPH 9. SRM 51-40-02 AND DWG# 174A1008. SHEET 2. REV. ?C?. SEE INDIVIDUAL SIGN OFF BELOW.

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