As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MX, A VISUAL INSPECTION OF THE FUEL TANK BOOST PUMP WIRING IAW SB 767-28A0053, REV 03. DURING THE INSPECTION A .5 INCH LONG SPLIT WAS FOUND IN THE OUTER TEFLON SLEEVE ABOUT 16 INCHES FROM THE REAR OF RT AFT FUEL BOOST PUMP CONNECTOR D1540. THE OUTER AND INNER TEFLON SLEEVES WERE REMOVED AND WIRES WERE INSPECTED. NO DAMAGE WAS FOUND AND INNER AND OUTER TEFLON SLEEVES WERE REPLACED.