Service difficulty report · Packing · Bell 412

Difficulty date
March 19, 2015
Submitted
August 5, 2015
Operation
General aviation
Make and model
Bell 412
Engine
Pwa PT6T3
Part
Packing
Condition
Leaking
Location
Transfer Tube
Stage of operation
CR
How discovered
O
Nature of condition
K, M, J
Precautionary procedure
A

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

What was found

(CAN) DURING A ROUTINE PASSENGER FLIGHT, AT FULL THROTTLE, AN OIL PRESSURE CAUTION WARNING CAME ON FOLLOWED BY AN ITT SURGE ABOVE 900 DEG C. CREW ELECTED TO SHUTDOWN THE ENGINE. OIL SPILL ON GROUND NOTICED AFTER SHUTDOWN. MAINTENANCE CREW DETERMINED THE CAUSE TO BE A PACKING ISSUE FROM THE NR 2 BEARING OIL TRANSFER TUBE.

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