As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB OUT, CO-PILOT NOTICED THE OIL PRESSURE INDICATOR FOR THE RIGHT HAND ENGINE DROP TO 10PSI AND STAY THERE. ALL OTHER INDICATIONS WERE NORMAL. THE AIRCRAFT RETURNED TO BASE AND LANDED SAFELY. THE INDICATOR WAS REPAIRED AND RE-INSTALLED.