Service difficulty report · Anti-Ice Valve · Boeing 737890

Difficulty date
July 1, 2016
Submitted
July 5, 2016
Operation
Air carrier
Aircraft
N557AS
Make and model
Boeing 737890
Aircraft serial
35176
Aircraft time
38,598 hours, 11,373 cycles
Part
Anti-Ice Valve
Part number
32156184
Part serial
4393
Condition
Failed
Location
Nr 1 Engine
Part time
35,955 hours, 11,117 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 1 ANTI-ICE VALVE STUCK IN OPEN POSITION WHEN ENGINE OPERATING . LIGHT EXTINGUISHED WHEN ENGINE IS OFF. ACFT GROUNDED. REMOVED AND REPLACED NR 1 ENGINE COWL TAI VALVE. OPS NORMAL IAW AMM 30-21-11-000-801.