SDR ERAA076674

Service difficulty report · Engine · Bolkms BO105S

Difficulty date
October 9, 2001
Submitted
November 12, 2001
Operation
General aviation
Aircraft
N298EH
Make and model
Bolkms BO105S
Aircraft serial
S845
Aircraft time
5,392 hours, 8,852 cycles
Engine
Allsn 250C20B
Part
Engine
Condition
Making Metal
Location
Nacelle
Part time
5,449 hours
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

ENGINE IS MAKING METAL. HAS METAL ON MAG PLUGS. 2 1/2 BEARING INNER RFACE HAS METAL. GROOVES ON SEVERAL ROLLERS. ACTION TAKEN: DISASSEMBL3D ENGINE CAE-836436, TURBINE, COMPRESSOR, GEARBOX. CHANGED 11/2 BEARING SN MR55741, INSTALLED MP75985, GEARSHAFT SN 69437 INSTALLED CI21-543. C/W AIRWORTGHINESS DIRECTIVES OR SB'S AS PER CEB-1298. SEAL ON GEARBOX ASSY - PRESSURE OIL FITTINGS.