Customer request sidekick inspection service performed sidekick inspection service removed inspected and cleaned flame sensor adjusted gas pressure to 1.9 inches of water column in first stage and 3.5 inches of water column stage to inspected all furnace safeties and connections sound system is operating properly with a 35° heat rise Inspected operation of cooling system found system operates properly and cooling with a 26° temperature drop Customer states register in master is rattling when system is active verified customers concern remove register and inspected found on two of the damper blades the rivets are loose attempted to compress them was unable to fix the rattling recommend replacing register 12 x 6 Ordered part from thrifty’s on Willcall