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

Difficulty date
March 23, 2017
Submitted
March 27, 2017
Operation
Air carrier
Aircraft
N402AS
Make and model
Boeing 737990ER
Aircraft serial
41189
Aircraft time
17,353 hours, 5,690 cycles
Engine
Cfmint CFM567B27E
Part
Anti-Ice Valve
Part number
32156184
Part serial
9459
Condition
Failed
Location
Nr 2 Inlet
Part time
17,360 hours, 5,692 cycles
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

NR 2 ENGINE DISPLAYED AMBER TAI INDICATION WHEN ENGINE ANT-ICE TURNED ON. ACFT GROUNDED. REPLACED THE NR 2 ENGINE INLET COWL THERMAL ANTI-ICE VALVE ASSY IAW AMM 30-21-11. THIS CLEARS MEL 30-4C.