Service difficulty report · Bearing · Piper PA23250

Difficulty date
May 20, 2004
Submitted
December 3, 2004
Operation
General aviation
Make and model
Piper PA23250
Aircraft time
8,848 hours
Engine
Lyc IO540C4B5
Engine time
1,337 hours
Propeller
Hartzl HCE2YR2
Part
Bearing
Part number
67542
Condition
Loose
Location
Lt Magneto
Part time
226 hours
Stage of operation
IN
How discovered
9
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) AFH: 8900.9 DATE: MAY 20 RT ENGINE -- LT MAGNETO, DAMAGE WAS DISCOVERED DURING A 100HR INSPECTION. DECIDED TO REMOVE THE LT MAGNETO FOR INSPECTION OF THIS AREA. (HAVE ADDED THIS TO OUR INSPECTION PROGRAM) WHEN THE MAGNETO WAS REMOVED THE MAGNETO GEAR RETAINER ASSY AND BEARING PULLED OUT OF THE ENGINE TOGETHER WITH THE DRIVE COUPLING YET AGAIN. UPON FURTHER INSPECTION NO DAMAGE TO ENGINE. ENGINE WAS REMOVED AND SENT FOR REPAIR TO THE BEARING RECESS AREA (MFG SI-1140)REPAIR WAS CARRIED OUT. ENGINE WAS RE-INSTALLED TO AIRCRAFT. THE BEARING HAS 226. 5 HOURS. THE ENGINE WAS REPAIRED (CRANKCASE) BUT NOT OVERHAULED. ENGINE TOTAL TIME 1337.0

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