What was found
(CAN) MFG HAS RECEIVED A REPORT CUSTOMER, TT: 9930 HRS, OF A REPORTED 1 PIECE T/R GEARBOX SUPPORT CRACKED. THE CRACK WAS NOTED FOLLOWING AN INSPECTION AFTER THE PILOT REPORTED VIBRATIONS IN FLIGHT. THE AREA HAD BEEN PREVIOUS INSPECTED 30 HOURS PRIOR DURING THE REGULAR SCHEDULED 100 HOUR/ANNUAL INSPECTION WITH NO ANOMALIES NOTED. THERE HAVE BEEN NO REPORTED INCIDENTS OF TORQUE EXCEEDANCES, SUDDEN STOPPAGE (M/R OR T/R), OR COMPRESSOR STALLS ON THE ACFT.