SDR 20000510SH003

Service difficulty report · Nut · Cessna 206H

Difficulty date: April 7, 2000
Submitted: May 10, 2000
Operation: General aviation
Aircraft: N7273Q
Make and model: Cessna 206H
Aircraft serial: 20608045
Engine: Lyc O540*
System (JASC): 7310 · Engine Fuel Distribution
Part: Nut
Part number: MS21044N3
Condition: Defective
Location: Fuel Injection
Part time: 191 hours
Stage of operation: IN
How discovered: V
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

DURING A 100-HOUR INSPECTION, THE FUEL INJECTION LINE CLAMPS WERE FOUND SECURED WITH FIBER LOCK NUTS, OF WHICH THE FIBER LOCK WAS MELTED FROM THE HEAT OF THE ENGINE DURING OPERATION. ALL NUTS WERE REPLACED WITH ALL-STEEL LOCK NUTS, P/N MS21045. (X)

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