As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE COMPLETING AN ANNUAL INSPECTION. ONE OF THE CYLINDER RET BASE NUTS FOR THE NR 4 CYLINDER WAS MISSING. NUT WAS FOUND BETWEEN CYLINDER. TORQUE CHECK MADE OF THE OTHER NUTS FOUND 3 MORE LOOSE. WE CHECKED THE OTHER CYLINDER AND FOUND THEN TO BE OK. ALL OF THE CYLINDER NUT DID HAVE INSPECTION TORQUE SEAL ON THEM. THIS ENG BUILD DATA WAS 2/6/02. NO RECORD OF CYLINDER WORK COMPLETED ON THIS ENGINE.