Service difficulty report · Controller · Boeing 737990ER

Difficulty date
April 4, 2015
Submitted
April 6, 2015
Operation
Air carrier
Aircraft
N431AS
Make and model
Boeing 737990ER
Aircraft serial
43255
Aircraft time
5,701 hours, 1,905 cycles
Part
Controller
Condition
Faulted
Location
Cabin Temp
Stage of operation
TX
How discovered
9
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

CONT CABIN ZONE TEMP LIGHT ILLUMINATED ON RECALL AFTER START. LIGHT RESETS W/ MASTER CAUTION RESET AND TEMPERATURE DOES RESPOND TO RHEOSTAT. ACFT GROUNDED. ACCOMPLISHED BITE OF TEMP CONTROLLERS, CLEARED FLIGHT DECK TRIM VALVE FAULT ON NR 2 CONTROLLER. NO FAULTS NOTED. ZONE TEMP LIGHT DOES NOT ILLUMINATE ON RECALL.