What was found
HAD A NOTICABLE VIBRATION IN FLIGHT IN COCKPIT. WAS MORE NOTICABLE ON LEFT SIDE OF COCKPIT. SPEED OF AIRCRAFT SEEMED TO CHANGE THE SOUND AS WE GOT FASTER. SOUND SEEMED HARMONIC. FOUND THE FWD CHIN FARING FILET SEAL MISSING RTV UNDERNEATH THE SEAL APPLIED RTV AS NEEDED UNDER FWD CHIN FARING FILET SEAL WORK PERFORMED IAW SRM CH.51-21-00 . PERFORMED REPAIR ON FWD FILLET FAIRING CENTER, LH & RH SEAL, ALL WORK DONE IAW E50-20-0001_1.REPLACED BROKEN FWD FUSELAGE DRAIN. WORK PERFORMED IAW PHENOM 300 AMM CH.53-05-00.OPS CHECK GOOD