Service difficulty report · Actuator · Boeing 747409

Difficulty date
July 13, 2009
Submitted
October 5, 2009
Operation
Air carrier
Aircraft
N18203
Make and model
Boeing 747409
Aircraft serial
28711
Aircraft time
55,208 hours, 9,369 cycles
Part
Actuator
Part number
1387T10011
Part serial
6726
Condition
Malfunctioned
Location
Mlg
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

DURING 8A CK, PERFORM MLG ALTERNATE EXTENSION SYS TEST FOUND THAT RT MLG ALTERNATE ELECTRIC MOTOR FUNCTION FAIL. REPLACED ROTARY ACTUATOR AND FUNCTION TEST NML.