Service difficulty report · Connector · Doug MD900

Difficulty date
February 17, 2014
Submitted
September 14, 2015
Operation
General aviation
Make and model
Doug MD900
Engine
Pwa PW206A
Part
Connector
Condition
Contaminated
Location
Electrical
Stage of operation
AP
How discovered
O
Nature of condition
B
Precautionary procedure
E, A

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

What was found

(CAN) DURING FINAL APPROACH, THE MAIN GEARBOX FIRE INDICATION AND AUDIO WARNING WERE ACTIVATED ACCOMPANIED BY A STRONG BURNING ODOR AND SMALL AMOUNT OF SMOKE IN THE CABIN. THE CREW REQUESTED FIRE BRIGADE UPON LANDING. ENGINES WERE SHUTDOWN ON THE GROUND. POST FLIGHT INSPECTION FOUND NO EVIDENCE OF FIRE BUT A STRONG ODOR OF BURNED OIL REMAINED IN THE ELECTRICAL LOAD CENTER IN THE BAGGAGE COMPARTMENT. ONE OF THE ELECTRICAL CONNECTORS WAS CONTAMINATED BY OIL FROM WHAT IS BELIEVED TO BE OIL LEAKING FROM THE NR 2 ENGINE STARTER GENERATOR MOUNTING PAD, SEAL PRE SB28180. A POST SB SEAL WILL BE INSTALLED BEFORE THE HELICOPTER IS RETURNED TO SERVICE.

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