As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS FLICKERS WITH PROP HEAT ON. OK WITH OFF. OK AT 1050 NP. UNABLE TO DUPLICATE PROBLEM ON GROUND RUN. INSPECTED BOTH PROP BLADE LEADS CHECKED GOOD. NR 1 ENGINE HARNESS FROM BRUSH BLOCK P5 TO J4 SOAKED WITH OIL. REPLACED HARNESS. GROUND RAN ACFT PROP HEAT. OPS CHECKED GOOD. NO FLICKERING OF EMERGENCY LIGHTS AT 1050 NP.