Service difficulty report · Actuator · Beech 1900D

Difficulty date
April 4, 2011
Submitted
April 8, 2011
Operation
Air carrier
Aircraft
N972EA
Make and model
Beech 1900D
Aircraft serial
UE389
Aircraft time
16,868 hours, 24,997 cycles
Part
Actuator
Part number
11438004115
Part serial
0930A
Condition
Cracked
Location
Lt Mlg
Part time
15,843 hours, 23,670 cycles
Stage of operation
TX
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

AFTER LANDING FLIGHT CREW NOTED HYDRAULIC FLUID LEAKING FROM LEFT MAIN LANDING GEAR. MAINTENANCE FOUND LMLG ACTUATOR END CAP CRACKED AND LEAKING. REPLACED ACTUATOR WITH OVERHAULED. FAILED UNIT SUBJECT TO 1200 CYCLE REPETITIVE ULTRASONIC INSPECTION OF THE END CAP IAW AD 2009-23-01. LAST ULTRASONIC INSPECTION WAS COMPLETED 410 CYCLES PRIOR TO FAILURE WITH NO FAULT FOUND.

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