# SDR CALA2015101294583

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2015
- Submitted: October 12, 2015
- Operation: Air carrier
- Aircraft: [N120UA](https://openairdocs.org/aircraft/N120UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 29166
- Aircraft time: 67,113 hours, 7,624 cycles
- Engine: Pwa PW4056
- System (JASC): [5414 · Nacelle/Pylon, Plate/Skin](https://openairdocs.org/jasc/5414)
- Part: Skin
- Condition: Chafed
- Location: Nr 1 Pylon
- 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/CALA2015101294583

## Discrepancy

NUMBER 1 PYLON SKIN, SUSPECT CRACK & CHAFING AT 452ER ACCESS DOOR CUT OUT.  REPAIRED IAW ECRA 5430-02046.

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