Clean area motor and filter motor. Also clean up filter 363 FA2. Measure vibration-noise-temperature FS and  LS motor. Add grease for FS and LS motor 15 times and 20 times. Replace AUTO Grease motor for 363 FN1 and 363 FN2 with spare unit. Refill AUTO Grease empty level at workshop until unit ready to use ( EDI & ADI )