Service difficulty report · Actuator · Boeing 7377BX

Difficulty date
August 28, 2013
Submitted
August 30, 2013
Operation
Air carrier
Aircraft
N737KA
Make and model
Boeing 7377BX
Aircraft serial
30740
Aircraft time
26,154 hours, 16,439 cycles
Part
Actuator
Part number
251A12403
Part serial
6232
Condition
Leaking
Location
Spoilers
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

DURING INSPECTION, THE NR 10 FLIGHT SPOILER ACTUATOR WAS FOUND STATICALLY LEAKING FROM THE INPUT LINKAGE ASSEMBLY. OPERATING THE FLIGHT SPOILER WITH HYD POWER DID NOT CHANGE THE LEAK RATE. REPLACED ACTUATOR AND OPERATIONALLY CHECKED WITH NO LEAKS FOUND.

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