Service difficulty report · Valve · Boeing 737890

Difficulty date
November 8, 2021
Submitted
November 12, 2021
Operation
Air carrier
Aircraft
N590AS
Make and model
Boeing 737890
Aircraft serial
35687
Aircraft time
50,399 hours, 15,045 cycles
Part
Valve
Part number
32156184
Part serial
4739
Condition
Stuck
Location
#2 Engine
Part time
51,642 hours, 16,324 cycles
Stage of operation
TX
How discovered
V
Nature of condition
J
Precautionary procedure
K

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

What was found

#2 COWL VALVE OPEN ON PREFLIGHT. GROUNDED - YES. REMOVED AND REPLACED INLET COWL THERMAL ANTI-ICE VALVE, REF B737-800 AMM 30-21-11. OPS CHECK OK.