Service difficulty report · Anti-Ice Valve · Boeing 777224

Difficulty date
January 6, 2026
Submitted
January 9, 2026
Operation
Air carrier
Aircraft
N78002
Make and model
Boeing 777224
Aircraft serial
27578
Aircraft time
122,611 hours, 12,867 cycles
Engine
Ge GE9090B
Part
Anti-Ice Valve
Condition
Failed
Location
Lt 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 L EICAS, LT ENG ANTI ICE VALVE DEACTIVATED IN OPEN POSITION WITH KIT WAITING FOR DEFERRAL. APPROVES MEL 3021T LT EAI VALVE DEACTIVATED OPEN WITH KIT DEFERRED EAI VALVE DEACTIVATED IN OPEN POSITION IAW AMM 30-00-00-040-809-001.