Service difficulty report · Warning System · Boeing 737990ER

Difficulty date
December 18, 2017
Submitted
December 20, 2017
Operation
Air carrier
Aircraft
N462AS
Make and model
Boeing 737990ER
Aircraft serial
36362
Aircraft time
14,481 hours, 4,815 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
K

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

What was found

ZONE TEMP FOR CONTROL CABIN ILLUMINATED ON RECALL EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. INITIAL EVALUATION FOUND NR 2 TEMP CONTROLLER WITH FLT DECK TCV FAIL. PERFORMED BITE TEST REF AMM TASK 21-61-00-700-806-002. NO FAULT FOUND. RESET CONTROLLER PRESSED RECALL NO LIGHTS.