SDR 96ZZZX3896

Service difficulty report · Wire · Mtsbsi MU2B40

Difficulty date
July 5, 1996
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N68CL
Make and model
Mtsbsi MU2B40
Aircraft serial
448SA
Part
Wire
Part number
035A8843421
Condition
Broken
Location
Start/Gen Cable
Stage of operation
IN
How discovered
O
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

LEFT ENGINE STARTER/CABLE COPPER CONNECTION LUG CONNECTED TO THE STARTERS GENERATOR, BROKE IN THE SHARP 90 DEGREE BEND SEPARATING THE STARTER-CABLE FROM THE STARTER GENERATOR. STARTER CABLE, AFTER SEPARATING FROM STARTER GENERATOR AND BEING RELEASED FROM STRESS, CAME TO REST ON FUEL CONTROL BELLCRANK. ELECTRICAL POWER SURGE ON ATTEMPTED ENGINE START DESTROYED 3 CONTROL ROD ASSYS AND NECESSITATED FUEL CONTROL UNIT OVERHAUL. NOTE, THIS OCCURRED ON GROUND. FURTHER INVESTIGATION REVEALED CRACK IN STARTER GENERATOR GROUND CABLE LUG. SUBMITTER RECOMMENDS LONGER LENGTH CABLES TO REMOVE STRESS.