What was found
THE RT SIDE EMERGENCY POWER SUPPLY UNIT TESTED BAD. MAINTENANCE REPLACED THE MID CABIN RT SIDE EMERGENCY POWER SUPPLY UNIT BATTERY. OPS CHECKED OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THE RT SIDE EMERGENCY POWER SUPPLY UNIT TESTED BAD. MAINTENANCE REPLACED THE MID CABIN RT SIDE EMERGENCY POWER SUPPLY UNIT BATTERY. OPS CHECKED OK.