What was found
SMOKE ODOR CONDITIONAL INSP REQUIRED PER AMM 05-51-XX DUE TO AN INCIDENT REPORTED BY THE CREW. SMOKE IN THE COCKPIT FOLLOWED BY APU SHUT DOWN, APU GEN FEEDER CABLES APU MAINT MSG 49-72104. FOUND APU GENERATOR FEEDER CABLE BURNT. FOUND FEEDER CABLES ON APU GEN CABLE MELTED SDR INFO UPDATED CABLES ARE OK. GENERATOR IS FRIED. RANG FEEDER CABLES FROM APU GEN TO P-91 RIGID BUS ASSY REF WDM 24-21-31. CABLES ALL TEST OK. RESECURED TERMINALS TO RIGID BUS IAW AMM 24-21-22-400-801. NEED IDT VERIFICATION OF INSTALLATION. CPW IDT INSP ATA CHP 24. CHECK FEEDER CABLES INSTALLATION FOR SAFETY AND SECURTY. FEEDER CABLES 3 EACH INSTALLATION SAFTETY AND SECURITY CHECHS GOOD AT TERMINALS TO RIGID BUS IN FWD E&E BAY ACCESS THROUGH FWD CARGO BAY FWD RT BULKHEAD PANEL. IAW AMM 24-21-22-400-801 REPLACED APU GCU AS PRECAUTION ON LOG PAGE 3586969. PERFORMED INSPECTION OF APU CHIP DETECTOR. PARTICLES OF SILVER METAL FOUND. AMM 49-91-81-200-801 . APU REPLACEMENT NECESSARY DUE TO INDICATION OF DAMAGE. APU CHIP DETECTOR WAS ACCOMPLISHED ON L/P 3583568. APU INOP, REQUEST MEL. APU REPLACEMENT HAS BEEN ACCOMPLISHED .ALSO RECIRCULATION AIR FILTERS REPLACED. AMM TASK 21-25-01-400-801. NO FURTHER SMOKE ODOR PRECENT.