SDR S05432042

Service difficulty report · Actuator · Boeing 747400

Difficulty date
January 22, 2005
Submitted
February 2, 2005
Operation
Air carrier
Make and model
Boeing 747400
Aircraft serial
28709
Aircraft time
36,975 hours, 6,162 cycles
Engine
Pwa PW4056
Part
Actuator
Part number
65B015709
Part serial
PH0049
Condition
Damaged
Location
Rt Mlg
Part time
36,975 hours, 6,162 cycles
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

9A CHECK FOUND RT WING GEAR RETRACT ACTUATOR ROD END SLEEVE WORN OUT. ROD END BEARING SLEEVE WORN OUT. ACTUATOR REPLACED AND FUNCTION TEST NORMAL. IAW 744 AMM 32-32-01 P.407 AND IPC 32-11-01 FIG.1. WASHERS AND SPACERS SHOULD BE INSTALLED ON BOTH SIDE OF ROD END. SHORT INSTALLATION OF SPACERS AND WASHERS WILL LEAD TO DISLOCATION BETWEEN BEARING AND ROD END. ROOT CAUSE OF THIS EVENT IS ATTRIBUTED TO "NOT COMPLY WITH MANUAL"

More about the Boeing 747-400