What was found
FLIGHT 119 FROM FLL TO RDU, ON CLIMBOUT NR 1 AUDIO FAILED AND BACK-UP SYSTEM DID NOT WORK, COMPLETE COM FAILURE. RESET NR 1 AMU AND NR 2 AMU AND ALT AMU. PERFORMED OPERATIONAL CHECK IAW F-100 MM 23-51-00, OPERATIONAL CHECK GOOD. RESET NR 1 AND NR 2 VHF COMS AND PERFORMED OPERATIONAL CHECK IAW F-100 MM 23-12-00, OPERATIONAL CHECK GOOD.