SDR 97ZZZX1916

Service difficulty report · Oil Cooler · Cessna 421C

Difficulty date: March 1, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N18TC
Make and model: Cessna 421C
Aircraft serial: 421C0503
System (JASC): 7921 · Engine Oil Cooler
Part: Oil Cooler
Condition: Malfunctioned
Location: Lt Engine
Stage of operation: CR
Nature of condition: J
Precautionary procedure: A

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

What was found

WHILE AT CRUISE FL 210 OAT 45 DEGREES FAHRENHEIT, LEFT ENGINE OIL TEMP WENT UP WHILE OIL PRESSURE WENT DOWN, BOTH STILL IN 'GREEN'. AFTER PRECAUTIONARY LANDING AND INSPECTION, FURTHER FLIGHT WAS NORMAL. APPEARS OIL COOLER HAD CONGEALED DUE TO COLD WEATHER.

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