Service difficulty report · Screw · Cessna 172M

Difficulty date
April 7, 2006
Submitted
June 6, 2006
Operation
General aviation
Make and model
Cessna 172M
Aircraft time
19,210 hours
Engine
Lyc O320E2D
Propeller
Mcauly 1C160CTM
Part
Screw
Part number
43564
Condition
Loose
Location
Idle Mixture
Part time
731 hours
Component
Carburetor · Precision
Component part number
MA4SPA
Stage of operation
AP
How discovered
O
Nature of condition
Y
Precautionary procedure
O

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

What was found

ON FINAL APPROACH TO LAND, THE ENGINE QUIT. AIRCRAFT GLIDED TO A LANDING AND ROLLED CLEAR OF THE ACTIVE RUNWAY. ENGINE WOULD NOT RESTART, PUSHED AIRCRAFT TO PARKING SPOT. WHEN AME EXAMINED THE ENGINE FOUND THE IDLE MIXTURE CONTROL SCREW HAD WORKED LOOSE AND DEPARTED THE AIRCRAFT IN FLIGHT. REPLACED MIXTURE SCREW AND ENGINE RAN FINE. ALL MIXTURE SCREWS WILL BE LOCKWIRED FOR SAFETY FROM NOW ON.

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