As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING NORMAL MAINTENANCE, FOUND IGNITERS ON TWO SEPARATE AIRCRAFT (BOTH BATCH NR 1H99), CENTER ELECTRODES AND CERAMIC INSULATORS RECESSED APPROXIMATELY .75 INCH. UPON FURTHER INVESTIGATION, FOUND ELECTRODE ASSY WAS LOOSE AND FREE TO FLOAT WITHIN IGNITER. BOTH IGNITERS WERE INOPERABLE UPON REMOVAL. (X)