SDR ASAA2016070317247

Service difficulty report · Controller · Boeing 737990ER

Difficulty date: July 3, 2016
Submitted: July 7, 2016
Operation: Air carrier
Aircraft: N453AS
Make and model: Boeing 737990ER
Aircraft serial: 36354
Aircraft time: 9,977 hours, 3,250 cycles
System (JASC): 2160 · Cabin Temperature Control System
Part: Controller
Condition: Faulted
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

CONTROL CABIN ZONE TEMP CAUTION ON RECALL. ACFT GROUNDED. VERIFIED CONTROLLER CABIN ZONE TEMP CAUTION ON RECALL, ACFT CHECKED & RELEASED IAW MEL 21-21F. TROUBLESHOT IAW FIM 21-62, TASK 848 & 801. FOUND FAULT ON ZONE TEMP CONTROLLER 2, TRIM VALVE FLIGHT DECK. CLEARED FAULT, COULD NOT DUPLICATE, NO HISTORY 60 DAYS, REMOVED.