SDR 99ZZZX4139

Service difficulty report · Spark Plug · Cessna 210M

Difficulty date: September 30, 1999
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N761PS
Make and model: Cessna 210M
Aircraft serial: 21062415
Engine: Cont IO520L
System (JASC): 7421 · Spark Plug/Igniter
Part: Spark Plug
Part number: RBH32E
Condition: Mismanufactured
Location: Engine
Component: Champion
Stage of operation: IN
Nature of condition: W
Precautionary procedure: K

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

What was found

UPON INSPECTION OF PLUGS, FOUND PLUGS, 4 EACH, TO TEST WEAK AND NOT APPROPRIATE FOR INSTALLATION ON AIRCRAFT. NOTE: BY DOM AIR CARRIERS, ONE OF THE FOUR SPARK PLUGS HAD A RED DISCOLORATION AT BASE OF ELECTRODE AND CERAMIC. LOT NR 4G99.

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