Service difficulty report · Scissors · Aerosp AS355F2

Difficulty date
January 30, 2015
Submitted
January 30, 2015
Operation
General aviation
Aircraft
N82LF
Make and model
Aerosp AS355F2
Aircraft serial
5301
Aircraft time
2,130 hours, 7,880 cycles
Engine
Allsn 250C20
Part
Scissors
Part number
350A37112602
Part serial
M762
Condition
Unserviceable
Location
Zone 200
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

INSTALLED THE O/H SCISSORS LINK AND WAS NOTIFIED BY THE CUSTOMER THAT ON A ROUTINE ALF CHECKS, ON THE ROTATING SCISSORS LINK THAT ABLE ENGINEERING HAD RE-BUSHED AND REFINISHED AT CONSIDERABLE COST AND DELAY, THE UPPER ATTACHMENT TO MAST FITTING EXHIBITED SOME LOOSENESS IN THE RADIAL "PLANE" AT ONE BUSHING. VIEWING FROM THE INNER DIRECTION, WHILE MOVING THE LINK, IT WAS OBVIOUS THE BUSHING WAS LOOSE IN THE LINK. THE LINK WAS REMOVED AND THE BUSHING STAYED ON THE SPACER. THIS PART HAS 26.5 FLIGHT HOURS SINCE INSTALL OUT OF O/H. POSSIBLY LOOK AT THE PROCESSES OF THE INSTALLATION ON THE BUSHINGS DURING THE O/H. KEEP IN MIND THAT THIS PART IS NOT REPAIRABLE IN THE FIELD.

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