Service difficulty report · Engine · Swrngn SA227*

Difficulty date
July 7, 2005
Submitted
August 3, 2005
Operation
General aviation
Make and model
Swrngn SA227*
Aircraft time
19,987 hours
Engine
Garrtt TPE33111U
Propeller
Mcauly 4HFR34C652
Part
Engine
Condition
Failed
Location
Lt
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
E, A

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

What was found

AIRCRAFT WAS EN ROUTE WHEN THE CREW EXPERIENCED PROBLEMS WITH POWER. THE CREW SHUT DOWN THE LT ENGINE AND LANDED WITHOUT INCIDENT. UPON INVESTIGATION IT WAS DISCOVERED THAT MOST OF THE OIL HAD LEFT THE ENGINE OUT THE BACK BY THE SCAVENGE PUMP. MAINTENANCE REPLACED THE ENGINE. ONCE THE ENGINE HAS BEEN DISMANTLED THE EXACT CAUSE WILL BE KNOWN ALTHOUGH IT HAS THE APPEARANCE OF A FAILED SCAVENGE PUMP, SCAVENGE PUMP SEAL OR REAR TURBINE BEARING. MORE INFO ONCE ENGINE HAS BEEN DISMANTLED.