# SDR SWAA2020110419594

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2020
- Submitted: November 4, 2020
- Operation: Air carrier
- Aircraft: [N429WN](https://openairdocs.org/aircraft/N429WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33658
- Aircraft time: 61,054 hours, 35,875 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Stiffener
- Condition: Cracked
- Location: Horizontal Stab
- 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/SWAA2020110419594

## Discrepancy

RT HORIZONTAL STAB RIB NR 4 STIFFENER NR 3 CRACK.  INSTALLED RT HORIZONTAL STAB MACHINE INSPAR RIB STIFFENER CRACK REPAIR AT RIB NR 4 STIFFENER NR 3, PER REF 737-700 SRM 55-10-09-2R-4 REP 4.

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