Today I arrived on site to address a noise complaint originating from the AHU in the attic, which serves the entire house AC system. AHU Inspection:Identified the blower motor as the source of the noise. Blower Motor Repair:Discovered the blower motor was loose. Secured the motor by installing screws. Adjusted the motor housing for proper alignment. Upon arriving at the property, the client explained to me that the AHU in the attic is making noise when it is operating. I proceeded to verify the tstat. The tstat is operating well. I proceeded to check the AHU in the attic. I found the motor blower screws loose and some out of place. I showed the client and presented the cost of repairing the engine assembly. The customer accepted. I proceeded to make the readjustments of the blower motor housing. Aligned the blower wheel. Adjustments and tighten the screws. I put new 5/16 screws to secure and fix the blower motor. I conluí with the repair. I put the system into operation an