# SDR SWAA2020050137676

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2020
- Submitted: May 1, 2020
- Operation: Air carrier
- Aircraft: [N475WN](https://openairdocs.org/aircraft/N475WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32474
- Aircraft time: 54,947 hours, 32,366 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Condition: Cracked
- Location: Lt Horiz Stab
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2020050137676

## Discrepancy

LT HORIZONTAL STABILIZER L/E NUMBER 3 RIB IS CRACKED AT THE RIVET HOLE. DOT 82-034. / REMOVED AND REPLACED DAMAGED RIB (P/N 186A1303-1) STA: 95.96 ON LT HORIZ STAB L/E PANEL; RIB #3 PER REF B737 SRM 51-40-02-0G-0 AND #PL186A001.

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