Service difficulty report · Valve · Boeing 737890

Difficulty date
March 19, 2010
Submitted
March 22, 2010
Operation
Air carrier
Aircraft
N577AS
Make and model
Boeing 737890
Aircraft serial
35186
Aircraft time
11,520 hours, 3,393 cycles
Part
Valve
Part number
3989083
Part serial
1603
Condition
Malfunctioned
Location
Cabin Temp
Part time
48,288 hours, 28,694 cycles
Stage of operation
NR
How discovered
O
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

ON RECALL, AIR COND CONTROL CABIN LIGHT REMAINS ILLUMINATED. THE LIGHT EXTINGUISHES ON RESET. ACCOMP PACK/ZONE TEMP CONT BIT NR 2 FAULTED V143 (FLT DECK TRIM) NR 1 NO FAULTS. REPLACED FLT DECK TRIM VALVE ASSY, OPS CHECK GOOD.