What was found
THE RIGHT SIDE MID-CABIN EMERGENCY POWER SUPPLY UNIT INDICATED INOP WHEN IT FAILED THE EMERGENCY LIGHTS TEST. MAINTENANCE REPLACED THE MID-CABIN, RIGHT SIDE, EMERGENCY POWER SUPPLY UNIT. OPERATIONALLY CHECKS OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THE RIGHT SIDE MID-CABIN EMERGENCY POWER SUPPLY UNIT INDICATED INOP WHEN IT FAILED THE EMERGENCY LIGHTS TEST. MAINTENANCE REPLACED THE MID-CABIN, RIGHT SIDE, EMERGENCY POWER SUPPLY UNIT. OPERATIONALLY CHECKS OK.