SDR ASAA2018030123714

Service difficulty report · Warning System · Boeing 737990ER

Difficulty date: February 28, 2018
Submitted: March 1, 2018
Operation: Air carrier
Aircraft: N483AS
Make and model: Boeing 737990ER
Aircraft serial: 36350
Aircraft time: 10,024 hours, 3,373 cycles
System (JASC): 2160 · Cabin Temperature Control System
Part: Warning System
Condition: False Activation
Location: Cockpit
Stage of operation: NR
How discovered: O
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

CONT CAB ZONE TEMP LIGHT ILLUMINATED WITH RECALL. CANNOT RESET. GROUNDED - YES. BITE SHOWS FLT DECK TRIM VALVE FAULT LAST LEG. ACCOMPLISHED FIM 21-62 TASK 832. PACK TEMP CONTROL BITE TEST GOOD REF FIM 21-62 TASK 801. FAULT CLEARS. OPS NORMAL.