What was found
AIRCRAFT WAS NOT GROUNDED: AFTER MEGAPHONE INOP. MAINTENANCE REPLACED AFT MEGAPHONE BATTERIES, OPS TEST GOOD IAW AMM 25-65-51.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: AFTER MEGAPHONE INOP. MAINTENANCE REPLACED AFT MEGAPHONE BATTERIES, OPS TEST GOOD IAW AMM 25-65-51.