Service difficulty report · Bushing · Bolkms BO105S

Difficulty date
July 3, 2004
Submitted
January 5, 2005
Operation
General aviation
Make and model
Bolkms BO105S
Aircraft time
5,867 hours
Engine
Allsn 250C20B
Part
Bushing
Part number
10560386
Condition
Debonded
Location
Engine Mount
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

A SERVICEABILITY INSPECTION WAS CARRIED OUT FOLLOWING THE LAST FLIGHT OF THE DAY AND IT WAS FOUND THAT THE LEFT ENGINE OUTBOARD MOUNT HAD VISIBLY DROPPED. THE ELASTOMER MATERIAL WAS COMPLETELY DEBONDED FROM THE METAL INNER PORTION OF THE MOUNT BUSHING P/N 105-60386 (CHAPTER 60-00-00, FIG. 14, ITEM 280, BO-105 PARTS BOOK) AND WAS EXTRUDING OUT OF THE SHELL.