What was found
LEFT ENGINE FAN AIR MODULATING VALVE STATUS MESSAGE. LEFT FAN AIR MODULATING VALVE INOPERATIVE. REPLACED FAN AIR VALVE FOR LEFT ENGINE.
- Difficulty date
- February 25, 2013
- Submitted
- March 4, 2013
- Operation
- Air carrier
- Aircraft
- N788UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26942
- Aircraft time
- 69,900 hours, 9,857 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Valve
- Part number
- 32907449
- Part serial
- 74742
- Condition
- Inoperative
- Location
- Lt Engine
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.