Service difficulty report · Governor · Bolkms BO105C

Difficulty date
January 3, 2003
Submitted
January 21, 2003
Operation
Air carrier
Make and model
Bolkms BO105C
Aircraft time
5,130 hours
Engine
Allsn 250C20B
Part
Governor
Part number
23065125
Condition
Malfunctioned
Location
Engine
Stage of operation
CR
How discovered
O
Nature of condition
E, J
Precautionary procedure
O

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

What was found

(CAN) TORQUE SPLIT OF 8 PERCENT REPORTED IN CRUISE. TEST FLIGHT REVEALED THAT BOTH GOVENORSWERE CAUSING THEIR RESPECTIVE N1 TO FLUCTUATE. BOTH GOVENORS WERE REPLACED ON BOTH ENGINES. A/C RETURNED TO SERVICE.