Service difficulty report · Bolt · Parten P68C

Difficulty date
October 20, 2023
Submitted
October 20, 2023
Operation
General aviation
Aircraft
N3927U
Make and model
Parten P68C
Aircraft serial
282
Aircraft time
19,181 hours
Part
Bolt
Part number
NAS110624
Condition
Failed
Location
Zone 700
Part time
50 hours, 500 cycles
Component
Leaf Spring Joi · Parten
Component part number
420051
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
E, H

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

What was found

MAIN LANDING GEAR LEAF SPRING INNER ATTACH BOLT P/N NAS1106-24 ON LH SIDE OF AIRCRAFT, FAILED MID SHANK ABOVE THE THREADS, 50HR AFTER INSTALLED DURING REPETITIVE INSPECTION BROUGHT ON BY MANDATORY SERVICE BULLETIN-99. BOLT FAILURE CAUSED DEFORMATION OF THE FUSELAGE TO LEAF SPRING CLEVIS AND DEPARTURE OF LH MLG FROM AIRCRAFT WHILE TAXIING AFTER LANDING.

More about the Parten P.68C