What was found
INSPECTION TYPE:NA** ATB ** EMERGENCY DECLARED ** EXITED A/C USING INERTIAL REELS ** JUST AFTER V, FIRE BELL SOUNDED AND CONTINUED TO SOUND UNTIL EVACUATION NO OTHER INDICATION NO EICAS NO ENGINE OR CARGO FIRE WARNING JUST CONTINUOUS BELL.VERBAL CREW BRIEFING ALSO RECIEVED. PERFORMED FIM 31-51-00-815-803 TEST FAILED STEP 6, NO BELL SOUND. REMOVED & REPLACED AURAL WARNING MODULE M1000 AMM 31-51-04. TEST PASS AS PRECAUTION RAN BOTH ENGINES AND APU W/ BLEED NO ISSUES NOTED. TECH AND MC NOTIFIED IPC 31-51-04-05A ITEM 100