Service difficulty report · Actuator · Boeing 747409

Difficulty date
May 3, 2020
Submitted
May 7, 2020
Operation
Air carrier
Aircraft
N249BA
Make and model
Boeing 747409
Aircraft serial
24309
Aircraft time
84,834 hours, 16,247 cycles
Part
Actuator
Part number
1387T10011
Part serial
6657
Condition
Failed
Location
Rt Wlg
Stage of operation
IN
How discovered
C
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

RH WING ALTERNATE EXTENSION FUNCTION FAIL(<P>REPLACED RH WLG ELECTRICAL ACTUATOR PER AMM 32-36-01-004-001 REV 98 AND AMM 32-36-01-404-009 REV 98. DID AN OPERATIONAL TEST FOR THE ALTERNATE EXTENSION SYSTEM FOR THE WING LANDING GEAR PER AMM 32-36-00-705-004 REV 98. RESULT WAS NORMAL.</P>)