# SDR USAA050167

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2005
- Submitted: February 28, 2005
- Operation: Air carrier
- Aircraft: N521AU
- Make and model: Boeing 737-3B7
- Registry model: [Boeing 737-3B7](https://openairdocs.org/model/boeing-737-3b7) (OpenAirDocs)
- Aircraft serial: 23856
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Chafed
- Location: Fuselage
- Part time: 52,728 hours
- 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/USAA050167

## Discrepancy

PIT - FOUND SKIN CHAFFING AND FRETTING WEAR 25.5 BY 30 INCH, BS 860 BETWEEN STRINGER 3L AND 3R.  DAMAGE REMOVED, DOUBLER INSTALLED PER SRM 53-60-01 FIG 209.  (M)

---
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.