Service difficulty report · Shutoff Valve · Boeing 777222

Difficulty date
March 21, 2013
Submitted
May 9, 2013
Operation
Air carrier
Aircraft
N222UA
Make and model
Boeing 777222
Aircraft serial
30553
Aircraft time
49,706 hours, 5,975 cycles
Engine
Pwa PW40903
Part
Shutoff Valve
Condition
Faulty
Location
Crew Rest
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

CREW REPORTS LOWER LOBE CREW REST AREA AIR FLOW CHIME SOUNDING CONTINOUSLY, UNABLE TO RESET. LOWER LOBE CREW REST SOV LOCKED OUT PER MEL. POSSIBLE HOT AIR TYPE ODOR IN AREA OF DOOR 3R. RECIRC FANS TURNED OFF & ODOR DID DISSIPATE SLIGHTLY. REPLACED RELAY K21011, PER FORMED TEST AND SHUTOFF VALVE SHOWS IN WRONG POSITION. REPLACED LLAR SHUTOFF VALVE PER MM 21-29-11, OPS CHECKS NORMAL AND MESSAGE CLEARED AND TEST PASS. ADJUSTED SWITCH S21291 ALSO. 041384DOOR SWITCH WAS NOT CONTACTING DOOR, AFTER ADJUSTMENT NOW ACTUATES NORMALLY. RAN ENTERTAINMENT SYSTEM, PACKS, DOOR HEATERS AND PACKS AND NO ODORS DETECTED. LOWER REST AREA AIRFLOW, OPS CHECKS NORMAL AND ALL WARNINGS RESET. REF WDM 21-29-11, FIM 21-29 TASK 802, 21-00 TASK 808.21-00 TASK 807-808. LOWERED CEILING PANELS ABOVE DOOR 3RT AND LEFT AND IN CENTER ISLE AND NO ODOR OR DEFECTS NOTED.