Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
January 21, 2020
Submitted
January 23, 2020
Operation
Air carrier
Aircraft
N461AS
Make and model
Boeing 737990ER
Aircraft serial
36363
Aircraft time
23,052 hours, 7,404 cycles
Part
Warning Light
Condition
False Activation
Location
Cockpit Temp
Stage of operation
TX
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

AFTER START CONT CABIN ZONE TEMP LIGHT ILLUMINATED ON RECALL AND EXTINGUISHED ON MASTER CAUTION RESET. GROUNDED - YES. PERFORMED A BITE CHECK ON THE NR 2 CONTROLLER. FAULT, FLT DECK TRIM VALVE RESET, BITE CHECKED GOOD.