As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE BASE VISIT FOUND THE CABIN MEGAPHONE WEAK. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE CABIN MEGAPHONE IAW CRJ700 STANDARD MAINTENANCE PRACTICES. THE OPERATIONAL CHECK WAS GOOD AT THIS TIME. THE AIRCRAFT WAS RETURNED TO SERVICE.