Service difficulty report · Engine · Cessna 680SOV

Difficulty date
September 25, 2017
Submitted
October 3, 2017
Operation
Air carrier
Aircraft
N350QS
Make and model
Cessna 680SOV
Aircraft serial
6800036
Aircraft time
10,573 hours, 7,024 cycles
Engine
Pwc PW306C
Engine time
10,609 hours, 7,080 cycles
Part
Engine
Condition
Malfunctioned
Location
Nr 2
Stage of operation
CR
How discovered
O
Nature of condition
E, Y, J
Precautionary procedure
A

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

What was found

NR 2 ENGINE EXPERIENCED A LOUD BANG FOLLOWED BY HEAVY VIBRATION DURING LEVEL FLIGHT AT 1500FT MSL WITH POWER SET BELOW CLIMB DETENT. ENGINE CONTROL FAULT R CAS MESSAGE ILLUMINATED AND ITT WAS FLUCTUATING ERRATICALLY. ENGINE SHUTDOWN INFLIGHT, QRC WAS RUN, FOLLOWED BY ENGINE INOPERATIVE LANDING QRC. EMERGENCY DECLARED. OIL LEVEL LOW RT CAS MESSAGE ILLUMINATED ON APPROACH TO LANDING. TAXIED CLEAR OF RUNWAY AND SHUTDOWN ARCFT. FOUND NO EVIDENCE OF BIRD STRIKE OR OBVIOUS DAMAGE TO THE NR 2 ENGINE. THE FAN AND TURBINE SECTION OF THE ENGINE WAS CLEAN AND APPEARED TO ROTATE FREELY. REMOVED AND REPLACED THE RT ENGINE IGV ACTUATOR, FUEL CONTROL UNIT, IGV ACTUATOR FUEL PRESSURE TUBE STRAINERS AND FUEL FILTER. PERFORMED ENGINE GROUND RUNS, LEAK CHECKS AND OPS CHECKS WITH NO DISCREPANCIES NOTED IAW EMM 75-30-04, 73-20-01, 73-10-01, 71-00-00.