SDR 98ZZZX4803

Service difficulty report · Turbine Rotor · Bolkms BO105C

Difficulty date
December 7, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N91070
Make and model
Bolkms BO105C
Aircraft serial
S145
Engine
Allsn 250C20
Part
Turbine Rotor
Condition
Failed
Location
Nr 2 Engine
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

NR 2 ENGINE OIL PRESSURE BEGAN TO FLUCTUATE IN CRUISE. LANDED WITHOUT INCIDENT. OIL LEVEL ONE AND ONE-HALF QUARTS LOW ON OIL. NO LEAKS NOTED. RE-SERVICED AND RETURNED TO SERVICE AFTER PENALTY RUN AND CHECK. FOLLOW-UP CHECK REVEALED ENGINE OIL CONSUMPTION. REPLACED TURBINE ROTOR ASSEMBLY.