Service difficulty report · Anti-Ice Valve · Boeing 777224

Difficulty date
March 19, 2021
Submitted
March 19, 2021
Operation
Air carrier
Aircraft
N77019
Make and model
Boeing 777224
Aircraft serial
35547
Aircraft time
68,359 hours, 6,261 cycles
Part
Anti-Ice Valve
Part number
8105023
Part serial
6140
Condition
Inoperative
Location
Rt Engine
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

ANTI-ICE ENG R EICAS ADVISORY RIGHT ENGINE ANTI-ICE (EAI) VALVE FAILURE TO THE CLOSED POSITION OR EAI CONTROL CARD FAILURE. FIM TASK REF : FIM TASK REFERENCE NOT FOUND CMC MSG# 3010112 FLIGHT STATUS: L INTERMITTENCE CODE: M PH: TAKEOFF ROLL. ACIPS CONTROL CARD, RIG HT (R EAI CARD) UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. MAC RELATED WORK ORDER 000000003005748 AND PRTR POSITION IAW MEL 3021A. DONALDSON, CURTIS (V925027)RH ENG AI VALVE LOCKED IN THE CLOSEDRH ENG AI VALVE LOCKED IN THE CLOSED POSITION IAW MEL 3021A. MEL 3021A APPROVED BY TOMC. MAC RELATED WORK ORDER 000000003005748 AND PRTR POSITION IAW MEL 3021A. MEL 3021A APPROVED BY TOMC. DISPATCH DESK: 01 NOC DESK: 777 NAME: SCOTT DATE: 16-MAR-21- DEFERRED. RT ENG AI VALVE LOCKED IN THE CLOSED ATTEMPTED TO DEACTIVATE VALVE IN THE OPEN POSITION IAW MEL 3021W. UNABLE.REMOVING CONNECTOR FROM CONTROLLER DID NOT CAUSE VALVE TO GO TO THE OPEN POSITION. VALVE NOW LOCKED IN CLOSED POSITION REPLACED RT ENG ANTI-ICE VALVE, NO HELP. REF AMM TASK 30-21-02-000-805-001 & 30-21-02-400-805-001. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1930457 SN OFF 6104 IPC REFERENCE # 30-21-02-02A ITEM 50 CONTROL, VALVE, O