# SDR SWAA2020102320359

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 20, 2020
- Submitted: October 23, 2020
- Operation: Air carrier
- Aircraft: [N431WN](https://openairdocs.org/aircraft/N431WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29845
- Aircraft time: 61,876 hours, 36,311 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Condition: Cracked
- Location: Horizontal 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/SWAA2020102320359

## Discrepancy

CRACK INSPAR RIB LACATED STAB STA 92.70 AT 21 INCH FROM FRONT SPAR LT HORIZONTAL STAB.  PERFORMED PERMANENT REPAIR LOCATED ON INSPAR RIB STA STA 92.70 AT FROM FRONT SPAR LT HORIZONTAL STAB, IAW B737-700 SRM 55-10-09-2R-4 REPAIR 4.

---
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.