SDR HEEA090474

Service difficulty report · Governor · Bell 412

Difficulty date
September 30, 2003
Submitted
November 3, 2003
Operation
Air carrier
Aircraft
N412SM
Make and model
Bell 412
Aircraft serial
33197
Aircraft time
1,937 hours
Engine
Pwa PT6T3B
Engine time
1,937 hours
Part
Governor
Part number
32448851
Part serial
C45583
Condition
Failed
Location
Nr 1 Engine
Part time
1,937 hours
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

DURING CRUISE FLIGHT NR 1 ENGINE ITT WENT TO 970 DEGREES AND NR 2 ENGINE TORQUE WENT TO ZERO. PLACED NR 1 ENGINE GOVERNOR IN MANUAL AND LANDED AT NEAREST AIRPORT. REPLACED THE NR 1 ENGINE AND AFCU DUE TO HIGH SIDE GOVERNOR FAILURE. REPLACED THE NR 1 ENGINE DUE TO OVERTEMP. ALSO REPLACED FUEL CONTROL P/N 3244883-7, S/N C43612, TT 1937.10.

More about the Bell 412