What was found
PILOT REPORTED INTERMITTENT PROBLEMS WITH EXTERIOR LIGHTS AND FLUCTUATION IN HYDRAULIC PRESSURE INDICATION. TROUBLESHOOTING FOUND SEVERAL CHAFED AND BROKEN WIRES FROM ELECTRICAL CONNECTOR PLUG NR P-728 GOING TO CONNECTOR J2 ON THE COCKPIT CENTER SWITCH PANEL. THE WIRE BUNDLE WAS HITTING A JUCTION BOX BEHIND THE CENTER INSTRUMENT PANEL. REPAIRED BY SPLICING IN NEW SECTIONS OF WIRE, AND RE-ROUTING AND SECURING BUNDLE. OPS CHECKS GOOD. SUSPECT CAUSE AS INATTENTION TO DETAIL, LAX QUALITY CONTROL AT THE FACTORY. SUBMITTER RECOMMENDS INSPECTION OF OTHER LEAR 60'S FOR SIMILAR PROBLEMS IN THE AREA AROUND THE ELECTRICAL J-BOX BEHIND THE PANEL.