Service difficulty report · Gear Shaft

Difficulty date
March 17, 2000
Submitted
May 1, 2000
Operation
Air carrier
Engine
Allsn 250C30
Part
Gear Shaft
Part number
23056634
Part serial
CG123579
Condition
Worn
Location
Spur Adapter
Stage of operation
IN
How discovered
V
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

GEARSHAFT RECEIVED NEW FROM AVIALL IN ORIG UNOPENED PACKAGE. PN 23056634. ATTEMPT MADE TO INSTALL PART IN COMPRESSOR SPLINE ADAPTER OF ENGINE. RETAINING RING THAT SECURES GEARSHAFT IN SPLINE ADAPTER WOULD NOT FIT IN GROOVE. INSUFFICIENT CLEARANCE BETWEEN RETAINING RING FLANGE ON GEARSHAFT AND RETAINING RING GROOVE IN ADAPTER TO PERMIT INSTALL . DISCOVERED RETAINING RING FLANGE ON GEARSHAFT DAMAGED, BEING BENT TO REAR ON ONE SIDE TO PREVENT INSTALL. GEARSHAFT UNSERVICEABLE . (X)