What was found
NON-ETOPS FLT 34 HNL-ITO: AFTER ENGINE START, OVHT/DET ANNUNCIATOR LIGHT ILLUMINATED WITH NO CORRELATED SYSTEM OVERHEAT INDICATION DURING RECALL CHECK. CREW WAS UNABLE TO RESET LIGHT AND ELECTED TO SHUTDOWN ENGINES AND RETURN TO BLOCK. AS THE ENGINES WERE SPOOLING DOWN, SMOKE ANNUNCIATOR LIGHTS ILLUMINATED WITH FAULT LIGHT ON THE AFT CARGO COMPARTMENT. MAINTENANCE INSPECTED AFT CARGO COMPARTMENT AND CONFIRMED THAT IT WAS A FALSE INDICATION. MAINTENANCE CLEANED AFT CARGO COMPARTMENT SMOKE DETECTOR. PERFORMED OPERATIONAL TEST GOOD. AIRCRAFT WAS RETURNED TO SERVICE.