What was found
BOTH F/A'S REPORTED A BURNING ODOR IN AFT GALLEY. COMPLIED WITH AIR CONTAMINATION CHECKLIST, INSPECTED HOT JUG TERMINALS. INSPECTED GALLEY LIGHTING BALLAST AND SWITCHES. INSPECTED RECIRCULATION FAN, FILTER, WIRING CONNECTORS AND CIRCUIT BOARD. INSPECTED APU GROUND STUD, SHUNT, WIRING AND TERMINALS. INSPECTED AFT CARGO BAY. INSPECTED PSU'S AND CABIN LIGHTING. INSPECTED LAVATORY LIGHTING AND SWITCHES. INSPECTED CABIN UNDERFLOOR GROUND POINTS AND LRU'S. FOUND AND REPLACED BURNED SHIELD SPLICE JUST AFT OF NR 2 RADIO ALTIMETER CONNECTOR PI-A2. WAS UNABLE TO REPRODUCE ODOR IN AFT GALLEY. RETURNED TO SERVICE.