As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON ROUTINE INSPECTION OF IMPULSE COUPLING, FOUND ONE OF THE PAWL ANCHOR PINS LOOSE IN THE BODY OF THE IMPULSE. PART WAS IN SERVICE 202 HOURS. SUBMITTER HAS FOUND 4 OR 5 CASES OF EXCESSIVE WEAR OF LOW TIME IMPULSE COUPLERS (UNDER 300 HOURS).