SDR 97ZZZX2803

Service difficulty report · Cylinder · Piper PA28180

Difficulty date: May 8, 1997
Submitted: March 26, 2000
Operation: General aviation
Aircraft: N4749L
Make and model: Piper PA28180
Aircraft serial: 284077
Engine: Lyc O360A4A
System (JASC): 8530 · Reciprocating Engine Cylinder Section
Part: Cylinder
Part number: LW12427
Condition: Cracked
Location: Exh Port
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

DURING AN ANNUAL INSPECTION OF ENGINE, CRACKS WERE FOUND IN THE TWO REAR CYLINDERS IN EXHAUST PORTS. ONE HAD CRACKS IN THE INNER (TOWARD CENTER OF HEAD) AND AFT. OTHER IN INNER ONLY. BOTH WERE INSTALLED DEC, '91 AND HAD ACCUMULATED APPROXIMATELY 300 HOURS.

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