As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB CREW REPORTED LEFT ENGINE OIL PRESSURE FLUCTUATION WITH MASTER WARNING. CREW FOLLOWED NORMAL SHUTDOWN PROCEDURES AND DECLARED AN EMERGENCY. AIRCRAFT WAS LANDED WITH NO FURTHER INCIDENTS. MAINTENANCE REMOVED AND REPLACED THE LEFT ENGINE IAW AE WORK CARD. OPERATIONAL AND LEAK CHECKS WERE SATISFACTORY AND AIRCRAFT WAS RETURNED TO SERVICE.