Service difficulty report · Clutch · Hughes 369E

Difficulty date
November 12, 2003
Submitted
January 5, 2004
Operation
General aviation
Make and model
Hughes 369E
Engine
Allsn 250C20B
Part
Clutch
Part number
369A535051
Condition
Unserviceable
Location
Main Rotor
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

(CAN) UNIT RECEIVED TO REINSPECT AFTER CUSTOMER REPORTED OIL LEAK FROM CLUTCH, (NEAR TO DRY) TO FACILITY FAA REPAIR STATION (THEY O/H THIS UNIT 88 HRS AGO). THIS FACILITY REPORTED TO THE CUSTOMER THAT THEY CHANGED THE SEAL, AND THAT WAS ALL THAT WAS NEEDED. CUSTOMER RECEIVED UNIT AND NOTICED THE OIL IN THE CLUTCH WAS STILL BLACK THEY SHIPPED IT TO OUR FACILITY. UPON RECEIPT, REMAINING OIL WAS DRAINED (THICK BLACK AND FULL OF METAL PARTICLES), UNIT DISASSEMBLED. BOTH LARGE AND SMALL OIL BEARINGS WERE FOUND PITTED AND SPALLED, REQUIRED REPLACEMENT. ALSO THE OUTER RACE SPLINES WERE NOTIBLY WORN (MEASURED AT 1.3050 INCH. MDHI COMPONENT O/H MANUEL LIMIT IS 1.3054 INCH), IT ALSO REQUIRED REPLACEMENT.

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