Service difficulty report · Throttle Cable · Bell 407

Difficulty date
April 7, 2016
Submitted
April 11, 2016
Operation
Air carrier
Aircraft
N407LN
Make and model
Bell 407
Aircraft serial
53181
Aircraft time
10,181 hours, 29,535 cycles
Engine
Allsn 250C47B
Engine time
8,005 hours, 19,752 cycles
System (JASC)
7603 · Power Lever
Part
Throttle Cable
Part number
1608750001
Condition
Sheared
Location
Rt Engine
Stage of operation
IN
How discovered
C
Nature of condition
O
Precautionary procedure
K

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

What was found

DURING PREFLIGHT AS THE PILOT WAS GOING THROUGH THE CHECKLIST, THE THROTTLE CHECK DID NOT FEEL RIGHT. HE ASKED A MED CREW MEMBER TO TAKE A FLASHLIGHT & LOOK THROUGH THE SCREENS IN THE RT ENG COWLING TO SEE IF HE COULD VIEW ANY MOVEMENT IN THE THROTTLE CABLE AS THE PILOT ROTATED THE THROTTLE. NO MOVEMENT WAS DETECTED. THE PILOT THEN ABORTED THE PREFLIGHT CHECKLIST & CALLED THE MECHANIC. THE MECHANIC ARRIVED & INSPECTED THE ACFT. HE FOUND THAT THE THROTTLE CABLE HAD BEEN SHEARED IN ITS FIRST BEND JUST BELOW THE PILOTS SEAT PAN AREA. THE CABLE WAS R & R. THE ACFT WAS RETURNED TO SERVICE.

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