3641 SnapRep reported intermittent rattling sounds undercarriage ~~~~~ 3641 SnapRep reported intermittent rattling sounds undercarriage CE checked & confirmed rattling found from below A4. Suspect sound from A/C #2 compressor. When cooling cut-in the sound, it gets louder. When isolated A/C #2 unit, the sound stopped. A/C #1 ops ok.  3641 Found rattling sound from Aircon 2-2 condensor fan motor. Replaced & function test OK.  Sarma/Anand/Kamarul/Lee PT 45472