SDR 96ZZZX4971

Service difficulty report · Bearing · Mtsbsi MU2B20

Difficulty date
September 6, 1996
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N89CR
Make and model
Mtsbsi MU2B20
Aircraft serial
233
Engine
Garrtt TPE3311
Part
Bearing
Part number
3101375
Condition
Failed
Location
Compressor
Part time
1,246 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

89CR FAILURE. ENGINE S/N 34008. THE DATE OF THE FAILURE WAS 6-28-96. THE ENGINE TOTAL TIME SINCE OVERHAUL WAS 2,603.5 HOURS AND THE AIRCRAFT TOTAL TIME WAS 5,554.1 HOURS. THE TOTAL CYCLES SINCE OVERHAUL ON THE ENGINE WERE 3,315.1 HOURS. TORE THE ENGINE DOWN AND DISCOVERED THE COMPRESSOR BEARING HAD FAILED. COMPRESSOR BEARING HAD 246.5 HOURS SINCE NEW WHEN IT WAS INSTALLED ON THIS ENGINE AT TOTAL TIME SINCE OVERHAUL 1,604.4 HOURS ON 8-24-94. THE COMPRESSOR BEARING HAD1,245.6 HOURS IN IT AT THE TIME OF THE FAILURE.