What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY LIGHT CHECK FAILED ON PTP PANEL. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT 14WL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY LIGHT CHECK FAILED ON PTP PANEL. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT 14WL.