# SDR UALA2012070203528

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 2012
- Submitted: July 3, 2012
- Operation: Air carrier
- Aircraft: [N120UA](https://openairdocs.org/aircraft/N120UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 29166
- Aircraft time: 54,490 hours, 6,380 cycles
- Engine: Pwa PW4056
- System (JASC): [7530 · Compressor Bleed Control](https://openairdocs.org/jasc/7530)
- Part: Actuator
- Condition: Leaking
- Location: Nr 3 Engine
- Stage of operation: IN
- How discovered: O
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012070203528

## Discrepancy

NR 3 ENGINE VSV ACTUATOR LEAKING (PN:819810-1 PCN: (645-9314 OSTF:A1541).  REMOVED NR 3 VSV ACTUATOR PER MM.

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