# SDR SWAA2021031148142

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2021
- Submitted: March 11, 2021
- Operation: Air carrier
- Aircraft: N935WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36641
- Aircraft time: 39,462 hours, 23,697 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Condition: Cracked
- Location: R/H 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/SWAA2021031148142

## Discrepancy

CRACK LEADING EDGE RIB LE STA 105.26 RT HORIZONTAL STAB (1 EA) / REPLACED RIB LE LOC LEADING EDGE STA 105.26 RT HORIZONTAL STAB (1EA) PART NUMBER USED BAC 1490-2655 PO 2020-159385 IAW B737-700 SRM 51-40-02 AND DWG 186A1001 REV B

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