SDR 96ZZZX4415

Service difficulty report · Cylinder · Cessna 310R

Difficulty date: January 17, 1996
Submitted: March 26, 2000
Operation: General aviation
Aircraft: N1321G
Make and model: Cessna 310R
Aircraft serial: 310R0701
Engine: Cont IO520M
System (JASC): 8530 · Reciprocating Engine Cylinder Section
Part: Cylinder
Part number: 538283
Condition: Cracked
Location: Cyls 1,3,4, Exh
Stage of operation: IN
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

FOUND SMALL CRACKS LEADING FROM SPARK PLUG HOLES AROUND TO THE EXHAUST PORTS ON NR 1, NR 3, AND NR 4 CYLINDERS. A BRIGHT FLASHLIGHT AND MAGNIFING GLASS WERE USED TO FIND THE CRACKS DURING A 100-HOUR INSPECTION. DYE CHECK WOULD NOT PICK UP ONE CRACK.

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