What was found
AIRCRAFT RETURNED TO PLATFORM, LT ENGINE OIL PRESSURE WAS 38 PSI NEAR YELLOW RANGE. THE PARAMETERS IN FLIGHT CABIN WAS CHECKED AND OIL PRESSURE ADJUST WAS PERFORMED IAW MM 79-20-03. AFTER, TO ACCELERATE THE ENGINE, THE ENGINE PRESSURE WAS INCREASED TO 90 PSI. AIRCRAFT WAS SENT TO THE HANGAR, THE LT ENGINE OIL PRESSURE WAS ADJUSTED AND THE LOW PRESSURE SWITCH WAS REPLACED IAW 79-20-03, THE ENGINE RUNNING WAS PERFORMED IAW MM 71-00-00, TESTED CORRECT.