As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT DEICE PRESSURE DROPPED TO 10 PSI FOLLOWED BY ILLUMINATION OF THE DEICE PRESSURE CAUTION LIGHT. RT WING SECOND BOOT FROM TIP AND ALL TAIL BOOTS WOULD NOT SHOW INFLATION. AIRCRAFT RETURNED TO FIELD. MAINTENANCE PURGED WATER FROM SYSTEM. GROUND CHECK GOOD.