As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE ON FLIGHT 3001, LT ENGINE MASTER WARNING LIGHT FLICKERED TWICE AT CRUISE. CREW NOTED LT PROP OIL PRESSURE DROPPED FROM NORMAL RANGE TO ZERO CAUSING MASTER WARNING LIGHT TO "FLICK" ON/OFF. ENGINE /PROP RAN FINE. LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED LT PROP OIL PRESS TRANSMITTER IAW MM PN IPTE119-1000-200D1, SN/ON 4181-4-428/382 SN/OFF 4487-1-38/12. OPS AND LEAK CHECK GOOD.