Service difficulty report · Control Cable · Beech C90A

Difficulty date
April 10, 2007
Submitted
April 10, 2007
Operation
General aviation
Aircraft
N120TT
Make and model
Beech C90A
Aircraft serial
LJ1073
Aircraft time
5,072 hours
Engine
Pwa PT6*
Part
Control Cable
Part number
NAS302665170
Condition
Frayed
Location
Fs 216
Part time
5,072 hours
Stage of operation
CR
How discovered
O
Nature of condition
S
Precautionary procedure
O

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

What was found

THE ELEVATOR TRIM CABLE BEGAN UNRAVELING JUST FORWARD OF THE CABIN DOOR. FROM THERE THE CABLE BEGAN BINDING IN A PULLEY UNDERNEATH THE PILOT'S SIDE FORWARD FACING PASSENGER CHAIR CAUSING STIFFNESS OF OPERATION BY HAND AND THE MALFUNCTION OF THE ELECTRIC TRIM SYSTEM LEADING TO THE EVENTUAL INOPERATION OF THE ELEVATOR TRIM. THE ISSUE MOST LIKELY AROSE DUE TO AGE. WHILE UNDER THE SCHEDULED INSPECTION PROGRAM OUTLINED BY MFG THE INSPECTION OF THESE AREAS OCCURS ONCE EVERY (2) YEARS OR 800 HOURS.

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