What was found
AIRCRAFT HAD BEEN TO NUMEROUS SHOPS WITH WEAK OR NO BRAKES (THE BRAKES WOULD NOT HOLD THE AIRCRAFT STILL WITH MORE THAN 1700 RPM). MAINTENANCE MANUAL SAYS THAT ALL THICK PADS MAY BE NEEDED OR IT MAY NEED THIN PADS ON ANVIL SIDE AND THICK PADS ON PISTON SIDE. THIS ONE NEEDED ALL THICK PADS. SUBMITTER STATED COMPOUNDING THIS PROBLEM IS A LACK OF INFORMATION IN THE PARTS MANUAL AND BOGUS PARTS.