Service difficulty report · Fork · Beech 58

Difficulty date
February 18, 2019
Submitted
January 29, 2020
Operation
General aviation
Aircraft
N638LD
Make and model
Beech 58
Aircraft serial
TH765
Engine
Cont IO520*
Propeller
Hartzl BHCJ2YF2C
Part
Fork
Part number
B24573
Condition
Cracked
Location
Pitch Change
Component
Propeller · Hartzl
Component part number
BHCJ2YF2CUF
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

CRACK FOUND ON PITCH CHANGE FORK DURING MAGNETO PARTICLE INSPECTION. THE CRACK IS APPROXIMATELY 0.125 INCHES LONG AND IS LOCATED ON THE BOTTOM CORNER OF THE BLOCK SLOT. CRACK MAY HAVE FORMED DUE TO SERVICE FATIGUE. THERE IS NO EVIDENCE OF ABNORMAL LOAD OR OBJECT STRIKE.

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