Service difficulty report · Link · Beech F90

Difficulty date
February 27, 2007
Submitted
May 31, 2007
Operation
General aviation
Aircraft
N189JR
Make and model
Beech F90
Aircraft serial
LA61
Part
Link
Part number
C611300518
Condition
Damaged
Location
Nlg
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

THIS REPORT IS A RESULT OF REPLACEMENT OF THE FORWARD NOSE GEAR RETRACT CHAIN. TO REPLACE OR TO REINSTALL THIS CHAIN, A NEW PN C-6113005-18, CONNECTING LINK MUST BE USED. A NEW LINK SHOULD HAVE FIVE PIECES. ONE LINK ASSY WITH (2) SHAFTS SWAGED INTO AN END PLATE, TWO CENTER PLATES THAT SHOULD SLIP ONTO THE SHAFTS, ONE END PLATE, AND ONE SPRING CLIP RETAINER. THE END PLATE SHOULD HAVE SMALLER HOLES IN IT AND REQUIRE PRESSING FOR PROPER ASSY. THIS PRESSED FIT REQUIRES DISTRUCTION OF THE LINK DURING ASSY. WHEN INSTALLING THE NEW CHAIN AND INSTALLING THE NEW LINK, FOUND THAT ALL THREE PLATES HAD THE HOLE SIZE THAT WOULD ALLOW THEM TO BE SLIPPED ONTO THE SHAFTS WITHOUT PRESSING. CHECKED ANOTHER NEW LINK ASSY.

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