Service difficulty report · Actuator · Boeing 74747UF

Difficulty date
April 17, 2014
Submitted
April 21, 2014
Operation
Air carrier
Aircraft
N477MC
Make and model
Boeing 74747UF
Aircraft serial
29255
Aircraft time
64,147 hours, 11,429 cycles
Part
Actuator
Part number
65B8255810
Part serial
SHL431
Condition
Leaking
Location
Lt Blg
Stage of operation
UK
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

LOSS OF HYD SYS NR 1. QRH PROCEDURES ACCOMPLISHED ON POST FLIGHT, FOUND SOURCE OF HYD LEAK TO BE LT BODY GEAR DOWN LOCK ACTUATOR. R & R ACTUATOR IAW MM 32-33-15, LEAKS CHECKED OK.

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