As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED RIGHT OIL PRESSURE FLUCTUATING BETWEEN 57 AND 62 PSI ON CLIMBOUT FROM CLT. PRESSURE STABILIZED BELOW 60 PERCENT N1. CREW RETURNED TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED AND TROUBLESHOT RIGHT ENGINE OIL SYSTEM, SWAPPED RIGHT AND LEFT ENGINE OIL TANKS AND PERFORMED CHECKS USING AIRCRAFT MAINTENANCE MANUALS. AIRCRAFT RELEASED FOR SERVICE.