As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THIS AIRCRAFT REMAINS OUT OF SERVICE AT THE TIME OF THIS SUBMISSION. THE AFT VERTICAL FIN SPAR WAS CLEANED TO PERFORM AD 1998-24-13. THE FOLLOWING DAY A VERY SMALL SPOT OF OIL WAS NOTICED ON THE SPAR BELOW THE LEFT SIDE OF THE T/R GEARBOX. THE GEARBOX WAS REMOVED FOR INSPECTION AND APP .375 LONG CRACK WAS DISCOVERED IN THE HOUSING CASTING BENEATH THE OUTPUT SIDE COVER ATTACH MOST FORWARD BOLT.