What was found
(CAN) THE FOLLOWING HAS BEEN REPORTED. POST A SEAL CHANGE ON THE ACFT, WHEN ROTATING THE ROTOR, THE ENGINEER HEARD A UNUSUAL SOUND IN THE TAIL BOOM AREA. AFTER INVESTIGATION, HE FOUND THE ABOVE TAIL ROTOR BEARING SUPPORT CRACKED & ALL BALLS ABSENT FROM THE OUTER & INNER RACE. SEE ATTACHMENT.