SDR 2012FA0000614

Service difficulty report · Spark Plug · Cirrus SR22

Difficulty date: September 10, 2012
Submitted: September 11, 2012
Operation: General aviation
Aircraft: N521JL
Make and model: Cirrus SR22
Aircraft serial: 0877
Aircraft time: 1,280 hours
Engine: Cont IO550*
Engine time: 1,280 hours
System (JASC): 7421 · Spark Plug/Igniter
Part: Spark Plug
Part number: RHB32S
Condition: Defective
Location: Engine
Part time: 300 hours
Stage of operation: CR
How discovered: O
Nature of condition: R
Precautionary procedure: O

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

What was found

DURING NORMAL ENGINE OPERATION WAS NOT ABLE TO RUN ENGINE LOP CONTINUOUSLY. REMOVED SPARK PLUGS, RHB32S, MEASURED RESISTANCE AND FOUND: 1 WAS ABOUT 820 OHMS, 1 WAS 2.3M OHMS, 2 WERE ABOUT 2K AND 8 PC WERE BETWEEN 30 AND 40 KHOM. REPLACED RHB32S WITH URHB32S SPARK PLUGS AND EVERYTHING RETURNED BACK TO NORMAL.

More about the Cirrus SR22