What was found
ETOPS FLIGHT 473, OAK-OGG - GALLEY POWER BECAME INOP, RETURNED TO OAK. LOW TO MODERATE SINK-RATE COMPLIED WITH, SMOOTH TOUCH-DOWN. RESET AIRCRAFT GROUND SERVICE BUSS 1 AND 2, GALLEY POWER VERIFIED. OPS CHECK OK. CONFORMED WITH HEAVY LANDING PHASE I INSPECTION IAW AMM 05-51-01-2, NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.