# SDR SWAA2026051190034

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2026
- Submitted: May 11, 2026
- Operation: Air carrier
- Aircraft: [N479WN](https://openairdocs.org/aircraft/N479WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33990
- Aircraft time: 71,547 hours, 43,324 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/SWAA2026051190034

## Discrepancy

CRACK INSPAR RIB LOCATED STAB STA 92.70 AND 30 INCH FROM FRONT SPAR LT HORIZONTAL STAB.   PERFORMED PERMANENT REPAIR ON INSPAR RIB 92.70 LOCATED AT 30 INCH OF FRONT SPAR LT HORIZONTAL STAB IAW B737-700 SRM-55-10-09-2R-4 REPAIR 4.

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