Service difficulty report · Snap Ring · Hughes 369D

Difficulty date
January 17, 2016
Submitted
April 22, 2016
Operation
General aviation
Make and model
Hughes 369D
Aircraft time
18,866 hours
Engine
Allsn 250C20B
Part
Snap Ring
Part number
672665690
Condition
Damaged
Location
Spur Adapter
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

(CAN) ENGINE CHIP LIGHT ILLUMINATED DURING FLIGHT. UPON ENGINE DISASSEMBLY DISCOVERED THE SNAP RING THAT HOLDS THE SPUR ADAPTER GEARSHAFT TO THE BACK OF THE COMPRESSOR TO BE MANGLED. SNAP RING GROOVE HAD SINCE WORN FLAT.