As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: EVACUATION HORN REPEATEDLY ACTIVATES ON ITS OWN. SECURED WIRE AT 300RH1 DECODER ENCODER UNIT B CONNECTOR PER ESPM 20-48-21. ALSO REPLACED DECODER ENCODER UNIT B 300RH1 (AALA202202165681) PER AMM 23-73-47, AND REPLACED CABIN INTERCOMMUNICATION DATA SYSTEM 1 (AALA202202167503) AND 2 DIRECTORS PER AMM 23-73-34. ACCOMPLISHED EVACUATION TEST PER AMM 23-73-00. NO FAULTS AT THIS TIME.