As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND NUMEROUS LONGITUDINAL SPLITS ON INSULATION OF ALL 3 GEN FEEDER CABLES IN MID PYLON AREA OF NR 3 ENG. REPLACED CABLES FROM SPLICES IN RT 48 SECTION TO FIREWALL DISCONNECT WITH NEW TYPE CABLES BMS 13-58 DL (P/N 012210733) PER BOEING SERVICE LETTER 727-SL-24-026-A.