What was found
PROPELLER VIBRATING AFTER RECENT OVERHAUL. DYNAMIC BALANCING HELPED. FOUND 7 AN 97-3 WASHERS FOR DYNAMIC BALANCE ADDED 6 MORE TO BRING BALANCE TO A 1 IPS. ALSO FOUND 6 STATIC WEIGHTS IN SAME LOCATION. REMOVED PROP FROM AIRCRAFT TO CHECK STATIC BALANCE. COULD NOT. MEASURED BLADES AT 30.25 INCHES, 33.25 INCHES, AND 36.25 INCHES STA. FOUND ALL 3 BLADES UNDER MINIMUM WIDTH AT 30.25 INCHES STA. BLADE NR 1, 5,803, NR 2 5,775, NR 3, 5,820 (MIN AT 30.25 INCHES IS 5.825. (X)