Service difficulty report · Controller · Boeing 777222

Difficulty date
September 9, 2013
Submitted
September 11, 2013
Operation
Air carrier
Aircraft
N217UA
Make and model
Boeing 777222
Aircraft serial
30550
Aircraft time
55,471 hours, 6,795 cycles
Engine
Pwa PW40903
Part
Controller
Part number
8105037
Part serial
134
Condition
Failed
Location
Anti-Ice Sys
Stage of operation
IN
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

LT EAI VALVE FAILURE TO THE CLOSED POSITION OR LT EAI CONTROL CARD FAILURE. ADVISORY MSG01- LATCHED DESCENT MODE DEPENDENT; EAI VALVE LT IS FAILED IN CLOSED POSITION. DB- ACIPS CONTROL CARD, LT EAI CARD MSG02- LATCHED DESCENT MODE DEPENDENT; EAI VALVE LT IS FAILED IN CLOSED POSITION. MSG-3010101 LATCHED DC MODE MSG-3010101 LATCHED DC MODE. ACCOMPLISHED T-S IAW FIM 30-21 TASK 802. REPLACED LT EAI CONTROLLER & ACP INSTALLATION TEST IAW MM30-21-03. ALL OPERATIONS & INDICATIONS NOW NORMAL.