Service difficulty report · Transmission · Bolkms BO105S

Difficulty date
August 7, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N50293
Make and model
Bolkms BO105S
Aircraft serial
S677
Part
Transmission
Part number
4638001004
Condition
Pitted
Location
M/R
Part time
4,303 hours
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

SCRAPPED THE FOLLOWING: (5 EA) AXLES P/N 4619204001- SCRAPPED DUE TO EXCESSIVE PITTING ON LOADED SURFACE. (1 EA) PINION P/N 44638302002 - SCRAPPED DUE TO GEAR TEETH SPALLING. (1 EA) BEARING P/N 4619303081 - SCRAPPED DUE TO SPALLING ON OUTER RACE &ROLLERS. (BEARING WAS CAUSE OF METAL CONTAMINATION) REPLACED WITH SERVICEABLE PARTS.