Service difficulty report · Mount · Bell 206L1

Difficulty date
January 28, 2017
Submitted
January 31, 2017
Operation
Air carrier
Aircraft
N105AE
Make and model
Bell 206L1
Aircraft serial
45297
Aircraft time
34,882 hours, 28,612 cycles
Part
Mount
Part number
206033670104
Condition
Damaged
Location
Engine Bay
Stage of operation
IN
How discovered
V
Nature of condition
Z, S
Precautionary procedure
K

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

What was found

FOUND RIGHT HAND MID ENGINE MOUNT HOLE TO BE ELONGATED MEASURING .280/.286" WHEN NOMINAL HOLE SIZE IS .247/.251". THIS ABNORMAL ELONGATION OF THE HOLE RESULTED IN ENGINE SHIFTING OUT OF PROPER ALIGNMENT CAUSING THE MAIN DRIVESHAFT TO RUB AGAINST THE ROTOR BRAKE CALIPER COVER MOUNTED ON THE FIREWALL CAUSING SIGNIFICANT DAMAGE TO THE DRIVESHAFT.

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