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