# SDR UALA2012102906201

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 2012
- Submitted: November 15, 2012
- Operation: Air carrier
- Aircraft: N177UA
- Make and model: Boeing 747422
- Aircraft serial: 24384
- Aircraft time: 91,838 hours, 11,151 cycles
- Engine: Pwa PW4056
- System (JASC): [5420 · Nacelle/Pylon Miscellaneous Structure](https://openairdocs.org/jasc/5420)
- Part: Structure
- Condition: Damaged
- Location: Nr 4 Nacelle
- 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/UALA2012102906201

## Discrepancy

NR 4 NACELLE O/B SIDE DOUBLER REPAIR AT NAC STA 224-234.  MANUFACTURED AND INSTALLED REPAIR PARTS IAW SRM 54-50-01.  RII ACCOMPLISHED.

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