Service difficulty report · Unknown · Boeing 777222

Difficulty date
December 17, 2011
Submitted
December 19, 2011
Operation
Air carrier
Aircraft
N212UA
Make and model
Boeing 777222
Aircraft serial
30218
Aircraft time
41,323 hours, 8,963 cycles
Engine
Pwa PW4077
Part
Unknown
Condition
Malfunctioned
Location
Bleed Air Sys
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

RT ENGINE FAN AIR MODULATION VALVE INOP (FAMV). LOCKED FAMV IN THE OPEN POSITION PER MEL 3611F. CLN: ACCOMPLISHED RT ENGINE AIR SUPPLY VALVES OPERATIONAL TEST PER MM. NO FAULTS FOUND VALVE OPERATION NORMAL MSG. UNLATCHED. NO HISTORY FOUND. CLEANED AND RE-SECURED FAMV DISCONNECT DV36118.