What was found
(CAN) WHILE CLIMBING THROUGH 3000FT, THE RT LOW OIL PRESSURE WARNING CAME ON WITH THE PRESSURE INDICATOR SHOWING 0. AFTER 10-20 SECONDS ALL WENT BACK TO NORMAL. THE CREW ELECTED TO DIVERT AS A PRECAUTION. AFTER LANDING THE RT ENGINE ELECTRONIC CONTROL MANUAL ANNUNCIATOR CAME ON AND STAYED ON. THE DATA COLLECTION UNIT WAS INOPERATIVE AND COULD NOT BE DOWNLOADED. TROUBLESHOOTING IS ONGOING.