As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER TAKEOFF LEVELING OFF AT 5000 FEET, THE LT ENG OIL DROPPED INTO THE RED ON THE POINTER INDICATOR. THE FLIGHT CREW DECLARED AN EMER & LOWERED THE POWER, THE PRESS CAME UP. THEY RETURNED & LANDED WITHOUT INCIDENT. R & R THE OIL PRESS TRANSDUCER ON THE NR 1 ENG. OPERATIONAL & LEAK CHECKS GOOD.