Service difficulty report · Actuator · Boeing 737990ER

Difficulty date
January 6, 2015
Submitted
January 9, 2015
Operation
Air carrier
Aircraft
N431AS
Make and model
Boeing 737990ER
Aircraft serial
43255
Aircraft time
4,839 hours, 1,595 cycles
Part
Actuator
Part number
676000141
Part serial
67600014658
Condition
Failed
Location
Ram Air Deflect
Part time
4,847 hours, 1,598 cycles
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FWD CABIN ZONE, TEMP LIGHT ILLUMINATES ON MASTER CAUTION RECALL ONLY-RESETS WITH MASTER CAUTION. ACFT GROUNDED. RIGHT RAM AIR DEFLECTOR DOOR STICKS IN THE GROUND POSITION FOUND DURING T/S. PERFORMED FIM 21-62 TASK 843, NR 2 CONTROLLER LOGGED FWD ZONE TEMP VALVE. RAN LT AND RT PACKS, TEMP CONTROL NORMAL, NO FAULTS. CONTROLLERS BITE NORMAL REF MM 21-62, TASK 801. REPLACED RT RAM AIR EXHAUST ACTUATOR REF AMM 21-51-21. SECURED RT RAM AIR INLET ACTUATOR, OPS CK NORMAL REF AMM 21-61-00-700-806-002. OK FOR SERVICE.