# SDR UALA2013022401086

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2013
- Submitted: March 20, 2013
- Operation: Air carrier
- Aircraft: N521UA
- Make and model: Boeing 757222
- Aircraft serial: 24891
- Aircraft time: 73,083 hours, 27,199 cycles
- Engine: Pwa PW2037
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Gouged
- Location: Bs 760-747
- 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/UALA2013022401086

## Discrepancy

SKIN DOUBLER GOUGED BS 760-747, S15 - 16L.  REMOVED DOUBLER REPAIR, INSTALLED NEW DOUBLER REPAIR PER SRM 53-00-01, REPAIR 3, FIG 201.  THIS A CAT B REPAIR IN ZONE A.  PER SRM 53-00-01 REPAIR 3, TABLE V.

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.