# SDR SWAA2022012837115

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 2017
- Submitted: January 31, 2022
- Operation: Air carrier
- Aircraft: N409WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27896
- Aircraft time: 55,689 hours, 32,560 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Condition: Cracked
- Location: Rt Horiz Stab
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2022012837115

## Discrepancy

R/H HORIZ STAB RIB STA 129.5 CRACKED AT 2ND RIB STIFFENER FROM FWD / REPAIRED PER SRM 55-10-03-2R-4 REPAIR 4 SEE SAM 326 #A1028901 FOR WORK STEPS PERFORMED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.