SDR 96ZZZX5311

Service difficulty report · Magneto · Cessna 172N

Difficulty date
September 2, 1996
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N4696G
Make and model
Cessna 172N
Aircraft serial
17273322
Engine
Lyc O320H2AD
Part
Magneto
Condition
Failed
Location
Cam Follower
Stage of operation
CR
Nature of condition
Y
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING CRUISE FLIGHT, ENGINE STOPPED PRODUCING POWER. AN OFF-AIRPORT LANDING MADE WITHOUT INCIDENT. MAINTENANCE INSPECTION REVEALED BOTH SETS OF POINTS IN THE DUAL 2000 SERIES MAGNETO HAD CLOSED CAUSING ENG TO STOP. POINTS WERE RESET AND ENG RAN AND PRODUCED NORMAL POWER. 2.1 HRS LATER, WHILE FLYING ACFT HOME FROM THIS INCIDENT, ENG AGAIN STOPPED PRODUCING POWER AND ANOTHER OFF-AIRPORT LANDING MADE WITHOUT INCIDENT. MAINTENANCE INVEST REVEALED ONCE AGAIN POINTS HAD CLOSED CAUSING ENG TO STOP. NYLON CAM FOLLOWER ON BOTH SETS OF POINTS WERE WORN COMPLETELY OFF.

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