# SDR CALA2015020293051

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2015
- Submitted: February 2, 2015
- Operation: Air carrier
- Aircraft: [N120UA](https://openairdocs.org/aircraft/N120UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 29166
- Aircraft time: 64,459 hours, 7,373 cycles
- Engine: Pwa PW4056
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Fuselage
- 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/CALA2015020293051

## Discrepancy

EXT FUSE BS 1700-1720 S43R CORROSION.  REMOVED DAMAGE. FABRICATED AND INSTALLED REPAIR PARTS IAW ECRA 5330-05031.

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