# SDR 2008UALA04066

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2008
- Submitted: August 21, 2008
- Operation: Air carrier
- Aircraft: [N779UA](https://openairdocs.org/aircraft/N779UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26941
- Aircraft time: 48,438 hours, 9,033 cycles
- Engine: Pwa PW4077
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Modulating Valve
- Part number: 32907449
- Condition: Faulty
- Location: Bleed Air Sys
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2008UALA04066

## Discrepancy

NR 1 ENG FAMV STATUS MESSAGE.  FOUND FAULTY FAN AIR MODULATING VALVE.  REPLACED FAMV, OP CHECKED GOOD.  AC OK FOR SERVICE.

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