# SDR SWAA2022021560369

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2022
- Submitted: February 15, 2022
- Operation: Air carrier
- Aircraft: N423WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29827
- Aircraft time: 66,169 hours, 39,132 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Condition: Cracked
- Location: Horizontal Stab
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2022021560369

## Discrepancy

CRACK LEADING EDGE RIB LOCATED STA 95.96 AT LT HORIZONTAL STABILIZER (1 EA) ; 2022-12318 / [01] REPLACED NEW CHORD LOC. LEADING EDGE STA 95.96 AT LT HORIZONTAL STABILIZER I.A.W B737-700 SRM 51-40-02 AND DWG 186A1303; SHEET 1; REV -; [02] CORRECTIVE ACTION STEP 1.<BR> REPLACED NEW CHORD LOC. LEADING EDGE STA 95.96 AT LT HORIZONTAL STABILIZER I.A.W B737-700 SRM 51-40-02 AND DWG 186A1303; SHEET 1; REV -. SEE INDIVIDUAL SIGN-OFF BELOW; [03] REPLACED NEW CHORD LOC. LEADING EDGE STA 95.96 AT LT HORIZONTAL STABILIZER I.A.W B737-700 SRM 51-40-02 AND DWG 186A1303; SHEET 1; REV -. SEE INDIVIDUAL SIGN-OFF BELOW.

---
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.