Service difficulty report · Magneto · Cessna 172P

Difficulty date
June 23, 2015
Submitted
April 22, 2016
Operation
General aviation
Make and model
Cessna 172P
Aircraft time
19,855 hours
Engine
Lyc O320D2J
Part
Magneto
Part number
4371
Condition
Out Of Adjust
Location
Engine
Part time
1,402 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) MAGNETO TIMING HAD DRIFTED FROM 25 TO 32 DEGREES BTDC AFTER ONLY 53.9HRS SINCE 500HR INSPECTION.

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