SDR ASAA2016012414976

Service difficulty report · Warning Message · Boeing 737990ER

Difficulty date: January 24, 2016
Submitted: January 26, 2016
Operation: Air carrier
Aircraft: N462AS
Make and model: Boeing 737990ER
Aircraft serial: 36362
Aircraft time: 6,876 hours, 2,250 cycles
System (JASC): 2160 · Cabin Temperature Control System
Part: Warning Message
Condition: False Activation
Location: Cockpit Temp
Stage of operation: NR
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

ON RECALL, MASTER CAUTION ILLUMINATED AND CONTROL CABIN ZONE TEMP ILLUMINATES. LIGHTS EXTINGUISHED WITH RESET. ACFT GROUNDED. PERFORMED BITE REF FIM 21-62, TASK 801. NR 2 FAULTED FLIGHT DECK TRIM VALVE, PERFORMED FIM 21-62, TASK 832, FAULT CLEARED.