Service difficulty report · Bushing · Boeing 737890

Difficulty date
February 4, 2012
Submitted
February 6, 2012
Operation
Air carrier
Aircraft
N596AS
Make and model
Boeing 737890
Aircraft serial
35688
Aircraft time
14,286 hours, 4,586 cycles
Part
Bushing
Part number
66244731
Condition
Seized
Location
Ram Air Door
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

ON PUSHBACK RIGHT PACK LIGHT CAME ON RIGHT PACK TEMP INDICATES 90 DEGREES C. FOUND RIGHT RAM AIR DEFLECTOR DOOR NOT MOVING AT ALL. CHECKED RAM AIR ACTUATOR MOVES OPENS AND CLOSES RAM AIR INLET. FOUND BOTH RT UPPER AND LOWER RAM AIR DOOR DEFLECTOR SUPPORT BUSHING SEIZED. REPLACED BEARINGS. PERF PACK/ZONE TEMP CONTROLLER BITE TEST. TESTED GOOD REF MM 21 51 22 MM 21 61 00.