What was found
DURING TROUBLESHOOTING OF FUEL LEVEL LOW LIGHT, LEFT SIDE, FOUND BOOST PUMP WIRE HARNESS HAD CHAFED THROUGH APPROXIMATELY 20-25 PERCENT OF WALL THICKNESS OF ALUMINUM TUBE, PN 6526355-37 (FIG. 01, ITEM 10, CHAPTER 28-20-00 IPB), AND INSULATION OF HARNESS WORN THROUGH SLIGHTLY TO SHIELDING. REPLACED TUBE AND SEALED INSULATION PER CESSNA TECH REP. ACFT TT: 6421.1 HRS.