Service difficulty report · Actuator · Boeing 747446

Difficulty date
October 9, 2016
Submitted
October 20, 2016
Operation
Air carrier
Aircraft
N744CK
Make and model
Boeing 747446
Aircraft serial
26353
Aircraft time
90,818 hours, 17,204 cycles
Part
Actuator
Part number
723D1009
Part serial
1045
Condition
Malfunctioned
Location
Door Lock
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

DOOR UPPER DECK FLIGHT LOCK MALFUNCTIONED. REMOVED AND REPLACED FLIGHT LOCK ACTUATOR AND OPS CHECKED GOOD IAW MM 52-23-08.