# SDR 2008UALA03206

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 2, 2008
- Submitted: July 15, 2008
- Operation: Air carrier
- Aircraft: [N204UA](https://openairdocs.org/aircraft/N204UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 28713
- Aircraft time: 42,046 hours, 6,145 cycles
- Engine: Pwa PW40903
- 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: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2008UALA03206

## Discrepancy

BLEED FAMV R RIGHT ENGINE BLEED FAN AIR MODULATING VALVE (FAMV) FAILED OPEN OR CLOSED, OR RIGHT AIR SUPPLY AND CABIN PRESSURE CONTROLLER FAILURE.  STATUS MSG-3610320 LATCH DC MODE.  SUSPECT FAN AIR MODULATING VALVE.  REPLACED NR 2 ENGINE FAMV IAW MM 36-11-16.  OPERATION TEST PER 36-10-00-700-804.  AC OK FOR SERVICE.

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