# SDR USAA2013062400045

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2013
- Submitted: June 25, 2013
- Operation: Air carrier
- Aircraft: N439US
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24781
- Aircraft time: 59,988 hours, 41,222 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Hinge Pin
- Part number: 69730963
- Condition: Cracked
- Location: Lt Horiz Stab
- Stage of operation: IN
- How discovered: D
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2013062400045

## Discrepancy

Q5 CHECK -CRACK ON LT HORIZONTAL STABILIZER INNER HINGE PIN AT BS1138, S16L, WL232.5. REPLACED LT HORIZONTAL STABILIZER INNER & OUTER HINGE PIN AT BS1138, S16L, WL232.5 IAW JOB CARD.

---
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.