SDR ERAA094066

Service difficulty report · Gearbox · Bolkms BO105S

Difficulty date
December 2, 2003
Submitted
April 12, 2004
Operation
Air carrier
Aircraft
N423EH
Make and model
Bolkms BO105S
Aircraft serial
S543
Aircraft time
14,093 hours
Engine
Allsn 250C20B
Part
Gearbox
Part number
6894171
Part serial
CAG37602
Condition
Making Metal
Location
Engine
Part time
10,786 hours
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

GEARBOX MAKING METAL. METAL FROM PINION GEAR AND TORQUE METER GEAR. INSTALLED NEW PINION GEAR AND TORQUE METER GEAR.