What was found
DURING ACCOMPLISHMENT OF SERVICE BULLETIN 505-55-0004 REV 01 (DATED 06/24/2020) WE NOTED THE FOLLOWING: LEFT ELEVATOR ADJUSTABLE MASS BALANCE WEIGHTS BELOW TOLERANCE. PART NUMBER PE915109-L33 (13 EACH) AS FOLLOWS 5=82G,8=83G (MINIMUM 84G) AND HORN MASS WEIGHT PART NUMBER PE915109-L42 (1 EACH) 1=1091G (MINIMUM 1095G). ALL WEIGHTS HAS BEEN REPLACED WITH A NEW MASS WEIGHTS AND THE ELEVATOR BALANCING, WAS PERFORMED WITH NO FURTHER DEFECTS NOTED. THE ELEVATOR WAS RE-IDENTIFIED TO PART NUMBER 505-11082-601, AS PER SERVICE BULLETIN INSTRUCTIONS. WE ALSO NOTED THE FOLLOWING RIGHT ELEVATOR ADJUSTABLE MASS BALANCE WEIGHTS BELOW TOLERANCE: PART NUMBER PE915109-L33 (10 EACH) AS FOLLOWS 3=83G,6=82G,1=81G (MINIMUM 84G) AND HORN MASS WEIGHT PART NUMBER PE915109-L42 (1 EACH) 1=1082G (MINIMUM 1095G). ALL WEIGHTS HAVE BEEN REPLACED WITH A NEW MASS WEIGHTS, AND THE ELEVATOR BALANCING WAS PERFORMED WITH NO FURTHER DEFECTS NOTED. THE ELEVATOR WAS RE-IDENTIFIED TO PART NUMBER 505-11082-602, AS PER SERVICE BULLETIN INSTRUCTIONS. THIS REPORT COMPLIES WITH FAA 14 CFR PART 135 OPERATOR’S GMM REQUIREMENTS.