Service difficulty report · Actuator · Boeing 747123

Difficulty date
September 22, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N859FT
Make and model
Boeing 747123
Aircraft serial
20326
Part
Actuator
Part number
65B015397
Condition
Leaking
Location
Rt Mlg Tilt
Stage of operation
CR
Nature of condition
K, J
Precautionary procedure
O

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

What was found

NR 4 HYDRAULIC SYSTEM FLUID LOSS, EXTENDED WING GEAR AND WING FLAPS BY ALTERNATE METHOD. FOUND RIGHT WING LANDING GEAR POSITIONING ACTUATOR LEAKING AND NR 4 ENGINE HYDRAULIC PUMP LEAKING. REPLACED ACTUATOR AND BLED PER BOEING MAINTENANCE MANUAL 32-11-20. REPLACED NR 4 ENGINE DRIVEN PUMP PER BOEING MAINTENANCE MANUAL 29-11-05.