# SDR SWAA2021082313031

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2020
- Submitted: August 23, 2021
- Operation: Air carrier
- Aircraft: [N7857B](https://openairdocs.org/aircraft/N7857B), registered now
- Make and model: Boeing 737-79P
- Registry model: [Boeing 737-79P](https://openairdocs.org/model/boeing-737-79p) (OpenAirDocs)
- Aircraft serial: 29358
- Aircraft time: 45,651 hours, 31,158 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/SWAA2021082313031

## Discrepancy

RIGHT HORIZONTAL STAB LEADING EDGE PANEL 341B RIB CRACKED AT 105.25. / REMOVED AND REPLACED RIB AT R/H HORIZONTAL STAB. LEADING EDGE PANEL 341B AT 105.25 IAW B737 DWG 186A1304 REV.- AND SRM 51-40-02-0G-0. P/N 2 TAG# 186A1304-2 TAG# WN4012

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