As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE COMPLETING A 1000 HOUR INSPECTION AND CLEANING THE SPARK PLUGS (XL URHB32S LOT 1269) 1 OF THE PLUGS WAS FOUND TO HAVE THE WIRE ELECTRODE LOOSE AT ITS ATTACHMENT TO THE END OF THE SPARK PLUG. THE WIRE COULD BE ROTATED UP OUT OF ALIGNAMENT WITH THE CENTER ELECTRODE. TIME ON PLUG IS NOT KNOW BUT THE WARE DID NOT LOOK LIKE THE PLUG WAS THAT OLD. AFTER ROTATING THE ELECTRODE UP 2 TIMES, IT CAME OUT OF THE AREA WHERE IT HAS BEEN CRIMPED ONTO THE PLUG.