What was found
DURING ACCOMPLISHMENT OF EMBRAER SB 505-55-0004 REV 01 (DATED 06/24/2020), WE NOTED THE FOLLOWING LEFT ELEVATOR MASS BALANCE WEIGHT BELOW TOLERANCE: P/N PE915109-L33 (1 EACH) UNDER THE WEIGHT LIMITS (81 GRAMS), AS PRESCRIBED BY THE SB (MINIMUM 84 GRAMS). THE WEIGHT HAS BEEN REPLACED WITH A NEW MASS WEIGHT AND THE ELEVATOR BALANCING WAS PERFORMED WITH NO FURTHER DEFECTS NOTED. THE ELEVATOR WAS RE-IDENTIFIED TO P/N 505-11079-639, AS PER SERVICE BULLETIN INSTRUCTIONS. WE ALSO NOTED THE LEFT AILERON MASS BALANCE WEIGHT P/N PE915109-L31 WAS UNDER THE WEIGHT LIMITS (1739 GRAMS) AS PRESCRIBED BY THE SB (MINIMUM 1787 GRAMS), THE MASS WEIGHT HAS BEEN REPLACED WITH A NEW MASS WEIGHT AND THE AILERON BALANCING WAS PERFORMED WITH NO FURTHER DEFECTS NOTED. THE AILERON WAS RE-IDENTIFIED TO P/N 505-14736-619, AS PER SB INSTRUCTIONS. THIS REPORT COMPLIES WITH FAA 14 CFR PART 135 OPERATOR’S GMM REQ.