SDR ASAA2014121910008

Service difficulty report · Controller · Boeing 737890

Difficulty date: December 19, 2014
Submitted: December 22, 2014
Operation: Air carrier
Aircraft: N588AS
Make and model: Boeing 737890
Aircraft serial: 35685
Aircraft time: 27,257 hours, 8,350 cycles
System (JASC): 2160 · Cabin Temperature Control System
Part: Controller
Condition: Malfunctioned
Location: Cockpit 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

CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED. ACFT GROUNDED. ZONE TEMP CONTROLLER 2 FAULTS FLT DECK TRIM VALVE. PERFORMED FIM 21-62, TASK 832. ZONE TEMP LIGHT EXTINGUISHED, AND ZONE TEMP CONTROLLER BITE CK GOOD IAW FIM 21-62, TASK 801. RAN PACKS, NO DEFECTS. NO HISTORY LAST 30 DAYS.