Service difficulty report · Controller · Boeing 777222

Difficulty date
November 5, 2011
Submitted
December 8, 2011
Operation
Air carrier
Aircraft
N795UA
Make and model
Boeing 777222
Aircraft serial
26927
Aircraft time
62,338 hours, 8,999 cycles
Engine
Pwa PW40903
Part
Controller
Part number
8105037
Part serial
57
Condition
Faulty
Location
Anti-Ice Sys
Stage of operation
NR
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

ANTI-ICE ENG L LEFT ENGINE ANTI-ICE (EAI) VALVE FAILURE TO THE CLOSED POSITION OR LEFT EAI CONTROL CARD FAILURE. COMPLETED CHECK OF EAI TUBING FOR LEAKS. LINES CHECK OKAY & REPLACED ENG ANTI-ICE VALVE CONTROLLER. COMPLETED 30 AIRFOIL COWL ICE PROTECTION SYS TEST WITH ENG RUNNING ON MAT TEST FAILED CMCF COULD NOT CONNECT TO ACIPS CONTROL CARD. NEED TO REPLACE CARD. REPLACED LSCF A6 IN THE P85 CARDFILE PER MM.