As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LT ENGINE OIL TEMP WENT TO 198 AND OIL PRESSURE WENT DOWN TO 34. WHEN THE CREW WENT TO IDLE THE OIL PRESSURE DROPPED FURTHER INTO THE RED WITH ASSOCIATED LT ENGINE OIL PRESSURE WARNING MESSAGE. CAPTAIN SHUTDOWN THE LT ENGINE AND DECLARED AN EMERGENCY. FOUND ENGINE OIL OVERSERVICED. REDUCED ENGINE OIL TO PROPER LEVEL IAW AMM. R & R LT ENGINE OIL LEVEL PROBE IAW AMM.