Service difficulty report · Disc Pack · Bell 407

Difficulty date
August 26, 2013
Submitted
September 14, 2015
Operation
General aviation
Make and model
Bell 407
Aircraft time
8,641 hours
Engine
Allsn 250C47B
Part
Disc Pack
Part number
407340340103
Condition
Cracked
Location
Tail Rotor
Part time
3,306 hours
Stage of operation
IN
How discovered
9
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

(CAN) UPON INSPECTION THE ENGINEER FOUND 1 OF THE DISCS IN THE DISC PACK CRACKED AND CORRODED. THE DISC PACK WAS REPLACED. THIS ACFT HAD A DISC CRACKED IN 2009 AND HAS FLOWN OVER 3300 HOURS SINCE THE LAST INCIDENT.

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