As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING A DRYING RUN FOR A POST FLIGHT WATER RINSE ON THE AIRCRAFT, A MAIN MODULE CHIP LIGHT ILLUMINATED. AN INSPECTION OF THE MAGNETIC CHIP PLUG WAS CONDUCTED AND FIVE FLAT SKINNY METAL CHIPS WERE FOUND ON THE CHIP PLUG OF THE MAIN MODULE. THE CHIPS WERE SENT TO SIKORSKY FOR ANALYSIS AND SIKORSKY ADVISED MAIN MODULE REPLACEMENT. THE MAIN MODULE HAS BEEN REPLACED WITH A SERVICEABLE SPARE.