Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
December 4, 2017
Submitted
December 5, 2017
Operation
Air carrier
Aircraft
N472AS
Make and model
Boeing 737990ER
Aircraft serial
60580
Aircraft time
10,626 hours, 3,490 cycles
Part
Warning Light
Condition
Illuminated
Location
Cabin Temp
Stage of operation
NR
How discovered
9
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

ZONE TEMP LIGHT ILLUMINATED, EXTINGUISHES WITH RESET. GROUNDED - YES. BITE OF ZONE TEMP CONTROLLERS #2 LOGGED `FLT DECK TRIM VALVE '. FAULT RESETS, REF B737-900 AMM 21-62 TASK 801, ACCOMPLISHED TASK 21-62-00-810-842, NO DEFECTS NOTED.