Service difficulty report · Anti-Ice Valve · Boeing 737990ER

Difficulty date
February 11, 2020
Submitted
February 19, 2020
Operation
Air carrier
Aircraft
N464AS
Make and model
Boeing 737990ER
Aircraft serial
40714
Aircraft time
23,026 hours, 7,310 cycles
Engine
Cfmint CFM567B27E
Part
Anti-Ice Valve
Part number
32156185
Part serial
10916
Condition
Inoperative
Location
Nr 2 Engine
Part time
23,087 hours, 7,325 cycles
Stage of operation
NR
How discovered
9
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

#2 ENGINE ANTI ICE COWL VALVE OPEN LIGHT STAYS BRIGHT WHEN SELECTED ON. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE INLET COWL THERMAL ANTI ICE VALVE REF B737-900 AMM 30-21-11 OPERATIONAL CHECK IS NORMAL.