# SDR SWAA2020062288723

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 2, 2020
- Submitted: June 22, 2020
- Operation: Air carrier
- Aircraft: [N476WN](https://openairdocs.org/aircraft/N476WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32475
- Aircraft time: 55,307 hours, 32,813 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/SWAA2020062288723

## Discrepancy

LEFT HAND HORIZONTAL STABILIZER INSPAR RIB AT STATION 129.50 IS CRACKED AT THE 3RD VERTICAL STIFFENER.  REPAIRED LT HORIZONTAL STABILIZER INSPAR RIB AT STATION 129.50 THE 3RD VERTICAL STIFFENER IAW SRM 55-10-09-2R-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.