As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REMOVED FROM MGB. A CRACK WAS DISCOVERED BY FIELD MAINTENANCE ON THE GEARBOX COVER AND THE GEARBOX WAS REMOVED AT ACFT TT: 38,523.7. IT WAS REPAIRED AND RELEASED UNDER CRS W/O 7027. THE TRANSMISSION WAS INSTALLED ON THE SAME AIRCRAFT AT ACFT TT: 38,798.9 AND IS CURRENTLY INSTALLED.