# SDR UALA2011011000147

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2011
- Submitted: February 15, 2011
- Operation: Air carrier
- Aircraft: N180UA
- Make and model: Boeing 747422
- Aircraft serial: 25224
- Aircraft time: 83,023 hours, 10,013 cycles
- Engine: Pwa PW4056
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Cracked
- Location: Rt Wing
- 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/UALA2011011000147

## Discrepancy

LARGE CRACK IN RIGHT WING FIXED LEADING EDGE UPPER SKIN PANEL JUST INBOARD OF NR 3 ENG.  ACCOMPLISHED 250 DEG.  PREP REG REPAIR AND APPLIED NON CHROMATED COMPOSITE PRIMER.  NEEDS TOP COATED.

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