SDR 96ZZZX382

Service difficulty report · Guide

Difficulty date: October 15, 1995
Submitted: March 26, 2000
Operation: General aviation
Engine: Cont O300A
System (JASC): 8530 · Reciprocating Engine Cylinder Section
Part: Guide
Condition: Worn
Location: Exhaust Valve
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

INSTALLED 6 NEW SUPERIOR MILLENIUM CYLINDERS. THREE CYLINDERS LOST COMPRESSION WITHIN 24 HOURS. PULLED ALL 6 CYLINDERS. ALL 6 EXHAUST GUIDES WORN BEYOND SERVICE LIMITS. THESE WERE THEIR 'POWER PACKS'. PRE-ASSEMBLED WITH NEW VALVES, SPRINGS, PISTONS, ETC.