SDR 2011F00153

Service difficulty report · Shaft · Piper PA28161

Difficulty date: July 11, 2011
Submitted: July 29, 2011
Operation: General aviation
Aircraft: N638FT
Make and model: Piper PA28161
Aircraft serial: 2842315
System (JASC): 7414 · Magneto/Distributor
Part: Shaft
Condition: Failed
Location: Cam Follower
Component: Magneto
Component part number: 4371
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

ACFT WAS WRITTEN UP FOR POWER LOSS. LT AND RT MAGS WERE PULLED. TACH TIME ON BOTH MAGS, 933.5. INSPECTION REVEALED LT MAG CAM FOLLOWER SHAFT BROKEN. BOTH MAGS HAD OIL GETTING PAST OIL SEAL AS A RESULT, POINTS WERE PITTED, MAG WERE REPLACED.

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