Service difficulty report · Valve · Boeing 737990ER

Difficulty date
July 1, 2015
Submitted
July 7, 2015
Operation
Air carrier
Aircraft
N408AS
Make and model
Boeing 737990ER
Aircraft serial
41732
Aircraft time
10,176 hours, 3,237 cycles
Part
Valve
Condition
Stuck
Location
Anti Ice
Stage of operation
DE
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

RIGHT ENGINE COWL ANTI-ICE VALVE STUCK CLOSED, ILLUMINATED BRIGHT BLUE WITH SWITCH SELECTED ON DURING DESCENT AND REMAINED BRIGHT BLUE. ACFT GROUNDED. OPS CK NR 2 ENGINE COWL A/I VALVE IAW AMM 30-21-00-710-801. OPS CK GOOD, NO HISTORY 30 DAYS.