As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 400-HOUR INSPECTION WITH 200 HOURS TT, THE STARTER RING GEAR HAD TEETH MISSING FROM THE LIGHT WEIGHT STARTER 31B21064. SUBMITTER STATED THE STARTER DOES NOT STAY ENGAGED, SO WHEN STUDENTS ARE STARTING, THEY DO NOT HOLD KEY IN HARD ENOUGH AND IT LETS GO AND THEN THEY JAM IT IN AGAIN.