Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
October 27, 2014
Submitted
October 29, 2014
Operation
Air carrier
Aircraft
N431AS
Make and model
Boeing 737990ER
Aircraft serial
43255
Aircraft time
4,030 hours, 1,313 cycles
Part
Warning Light
Condition
False Activation
Location
Cockpit Temp
Stage of operation
TX
How discovered
9
Nature of condition
N
Precautionary procedure
O

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

What was found

CONTROL CABIN ZONE TEMP LIGHT CAME ON WHEN RECALL PUSHED. LIGHT WENT OUT WHEN MASTER CAUTION RESET WAS PUSHED. ACFT GROUNDED. PERFORMED NR 2 CONTROLLER BITE 21-62, TASK 801. FOUND MESSAGE FLT DECK TRIM VALVE FAULT. RESET FAULT. GROUND RAN RT PACK FOR 1 HOUR. PERFORMED BITE AGAIN , NO FAULTS LOGGED. SYS CKS NORMAL.