What was found
APU GEN NOT TAKING ELECTRICAL LOAD. GROUNDED - YES. (RESOLVED ON W/O: 1970701 TASKCARD: N/R-00001 ) REMOVED AND REPLACED APU GCU WITH NO HELP. REINSTALLED ORIGINAL GCU REF 24-21-91. INITIALTED MIG 2C SN 40-0054356 & 40-0054357. REMOVED APU GENERATOR BREAKER (C803). FOUND TERMINAL A1 BURNT AND RIGID BUS BAR POST ALSO BURNT. REMOVED P91 PANEL, REPLACED RIGID BUS BAR REF AMM 24-21-22/401. SERVICEABLE BUS BAR HAD 3 CONTACTORS P/N 1151968-1 INSTALLED FOR C801, C803, AND C804. REINSTALLED P91 PANEL REF AMM 24-21-21-400-801. ALL P91 PANEL OP TESTS REMAIN TO BE COMPLETED. COMPLETED ALL P91 PANELINSTALLATION TESTS REF AMM 24-21-21-400-801. ALL TESTS GOOD. ALL ITEMS ARE COMPLETED ON MIG-2C S/N 40-0054356 AND 40-004357. THIS CLEARS MEL 24-2B AND CN 13075589. SEAMC NOTIFIED. PLACARDS REMOVED. MIG-2C ARE ATTATCHED TO LP 60684529.