What was found
(CAN) NOT ACCEPTING AC EXTERNAL OR APU GEN AC. MX DETECT A BURNED CONTACTOR. CURRENTLY ACFT EXTERNAL AVAILABLE LIGHT IS ON. ACFT ONLY MAINTAINS POWER FOR 3 SECONDS, AND KICKS OFF. MFG HAS ISSUED A CONCESSION SL STATING NO OBJECTION TO FERRY PROVIDED THE FOLLOWING MTC PROCEDURES BE ACCOMPLISHED. DISCONNECT CONNECTORS K119-S4 AND K119-S3 2. CAP AND STOW CONNECTORS K119-S4 AND K119-S3 IAW EEC/SPM 20-12-05 3. APU GENERATOR IS INHIBITED IAW MEL 24-22-01 4. EXTERNAL ACFT POWER SYS IS INHIBITED IAW MEL 24-41-03 FROM A FLT OPS PERSPECTIVE, FOR ENGINE START. START ENG IAW QRH SUPP-2 ENGINE START (BATTERY/EXTERNAL AIR) PROCEDURE.