Service difficulty report · Attach Bolt · Piper PA42720

Difficulty date
June 5, 2007
Submitted
August 3, 2007
Operation
General aviation
Make and model
Piper PA42720
Aircraft time
9,611 hours
Engine
Pwa PT6A61
Propeller
Hartzl HCB3TN3
Part
Attach Bolt
Part number
4178902
Condition
Bent
Location
Mlg Actuator
Part time
202 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

(CAN) CONTINUOUS PROBLEM OF PREMATURE WEAR AND INDICATIONS OF STRESS ON MAIN LANDING GEAR ACTUATOR ATTACH HARDWARE. LOWER FORK BOLT PN 41789-02 AND UPPER ACTUATOR ATTACH BOLT 401-195 (AN5-17A) (BOTH LIFE LIMITED BY MFG INSPECTION PROGRAM) SHOW SIGNS OF BENDING AND/OR WEAR VIRTUALLY EACH DETAILED GEAR INSPECTION (TYPICALLY 200 AIRCRAFT HOURS). THESE PARTS ARE REMOVED AND CLOSELY INSPECTED EACH GEAR INSPECTION AND TYPICALLY REPLACED AT FAR LOWER INTERVALS THAN THE PUBLISHED LIFE LIMITS. (TC NR 20070605005)

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