Service difficulty report · Pivot · Cessna 172RG

Difficulty date
February 12, 2003
Submitted
March 12, 2003
Operation
General aviation
Aircraft
N6623Z
Make and model
Cessna 172RG
Aircraft serial
172RG0240
Engine
Lyc O360*
Part
Pivot
Part number
24411003
Condition
Cracked
Location
Mlg
Part time
1,536 hours
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

DURING A ROUTINE INSPECTION IT WAS NOTICED BY THE TECHNICIAN THAT THERE WAS A LARGE AMOUNT OF VERY THIN GREASE SEEPING OUT FROM AROUND THE MAIN LANDING GEAR ACTUATOR CAPS ON BOTH THE LEFT AND RIGHT SIDES. THE GEAR ACTUATORS AND PIVOTS WERE FOUND TO BE CRACKED IN THE RADIUS AT THE BOTTOM OF THE GEAR SPLINES. TO PREVENT THIS PROBLEM IT IS SUGGESTED THAT THE MAIN LANDING GEAR PIVOTS BE REMOVED FROM THE AIRCRAFT AND INSPECTED EVERY 1000 HOURS. IT IS ALSO SUGGESTED THAT THE MFG OF THIS PART REDESIGN THE PART OUT OF STEEL. AD ON THE MLG PIVOT ASSEMBLIES HAD BEEN COMPLIED WITH.

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