Service difficulty report · Controller · Boeing 737890

Difficulty date
February 19, 2017
Submitted
February 21, 2017
Operation
Air carrier
Aircraft
N536AS
Make and model
Boeing 737890
Aircraft serial
35203
Aircraft time
19,826 hours, 5,734 cycles
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 CAUTION ON RECALL. EXTINGUISHED ON MASTER CAUTION RESET. ACFT GROUNDED. CONTROL CABIN PRIMARY TEMP CONTROLLER INOPERATIVE. NR 2 PACK/ZONE TEMP CONTROLLER SHOWS FLT DECK TRIM VALVE FAULT ON PREV FLT. RESET FAULT. FAULT DID NOT RETURN. BITE TESTED NR 2 CONTROLLER GOOD IAW AMM 21-51-00. FUNCTIONAL TESTED FLT DECK TRIM VALVE GOOD.