What was found
(CAN) ON CLIMBOUT, ENG OIL WENT RED ON LEFT ENGINE (>165 DEG C). QRH UTILIZED AND TEMP BROUGHT BACK INTO GREEN AT A VERY REDUCED POWER SETTING. ITT NORMAL THROUGHOUT EVOLUTION. PRESSURE WAS LOW BUT IN NORMAL RANGE. MAINTENANCE FOUND OIL REPLENISHMENT SYSTEM CONTINUOUSLY RUNNING OIL INTO LEFT ENGINE. DESERVICED GEARBOX & ENGINE. FOUND 8 QTS IN GEARBOX. REPLACED OIL LEVEL PROBE IN OIL REPLENISHMENT SYSTEM AND A/C RETURNED TO SERVICE.