As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTS FAINT ELECTRICAL BURNING SMELL FROM FORWARD CABIN NEAR DOOR 1 POSSIBLY FROM FWD CABIN SPEAKER, CAPT ADVISED TO OPEN THE PA AMP CB P6-1 D5 IF NECESSARY TO REMOVE POWER FROM THE CABIN SPEAKERS AND WILL LOSE THE CHIME SYS IF IT'S PULLED.