As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT NR 4585 FROM PIT TO IPT. A/C WAS FLYING TO IPT WHEN AIRCREW NOTICE RT PROP OIL PRESSURE GAUGE WOULD FLUCTUATE INTERMITTENTLY FROM 80 TO 5 PSI. MAINTENANCE REPAIRED INSULATION ON WIRE TO PROP OIL PRESSURE TRANSDUCER. GROUND RAN A/C AND RETURNED TO SERVICE.