SDR 97ZZZX1323

Service difficulty report · Pinion Gear

Difficulty date
March 21, 1997
Submitted
March 26, 2000
Operation
General aviation
Engine
Allsn 250C20B
Part
Pinion Gear
Part number
6889700
Condition
Worn
Location
Gearbox
Part time
4,889 hours
Component
6886442
Stage of operation
IN
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

INTERNAL SPLINES WORN OR AT LEAST BEYOND MAXIMUM LIMITS. NO WEAR STEP. BOTH BEARINGS JOURNALS .0002 INCH BELOW MINIMUM DIAMETER.