SDR ASAA2015082512902

Service difficulty report · Warning Light · Boeing 737890

Difficulty date: August 25, 2015
Submitted: August 27, 2015
Operation: Air carrier
Aircraft: N519AS
Make and model: Boeing 737890
Aircraft serial: 36482
Aircraft time: 25,150 hours, 7,546 cycles
System (JASC): 2160 · Cabin Temperature Control System
Part: Warning Light
Condition: False Activation
Location: Cabin Temp
Stage of operation: NR
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

ZONE TEMP CONTROLLER CABIN LIGHT ILLUMINATES ON RECALL, EXTINGUISHES ON RESET. ACFT GROUNDED. NR 2 PACK/ZONE TEMP CONTROLLER LOGGED FLIGHT DECK TRIM VALVE FAULT. RESET FAULT. ACCOMPLISHED NR 2 PACK/ZONE TEMP CONTROLLER BITE CHECK REF MM 21-61-20. TEST PASSED.