Service difficulty report · Engine · Snias SA330J

Difficulty date
December 9, 2010
Submitted
December 13, 2010
Operation
Air carrier
Aircraft
N2783R
Make and model
Snias SA330J
Aircraft serial
1592
Aircraft time
5,966 hours, 14,983 cycles
Engine
Tmeca TURMO4C
Engine time
5,750 hours
Part
Engine
Part number
0279005070
Part serial
1699
Condition
Failed
Location
Nr 2
Part time
5,750 hours, 751 cycles
Stage of operation
CR
How discovered
O
Nature of condition
R, Y, A
Precautionary procedure
A, F

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

What was found

DURING SOUTHBOUND CRUISE, THE SIC CALLED OFF THE POWER SETTING. 95 PERCENT WAS SET NG, THERE WAS A SUDDEN BOOM FROM THE ENGINE AND A SLIGHT YAW. POWER WAS REDUCED, GAUGES CHECKED, THEN THE CREW CHIEF TOLD THE PILOTS THE NR 1 ENGINE WAS MAKING 92 PERCENT AND THE NR 2 WAS MAKING MID 80'S. A LANDING WAS MADE. NR 2 ENGINE FAILED COMPLETELY DURING LANDING; ONCE ON LAND, IT WAS SHUT OFF COMPLETELY. DURING TAXI, SMOKE WAS DETECTED, AND THE CREW CHIEF VERIFIED THE ENGINE WAS ON FIRE AFTER PAX WERE DISMOUNTED. 2 FIRE BOTTLES WERE USED TO EXTINGUISH THE FLAMES. UPON INITIAL REVIEW, IT IS SUSPECTED THE POWER TURBINE SEIZED FLOODING THE GAS GENERATOR WITH OIL THAT SUBSEQUENTLY IGNITED UNTIL EXTINGUISHED. THE ENGINE WILL BE SENT FOR TEARDOWN AND A ROOT CAUSE ESTABLISHED.