What was found
AIRCRAFT WAS GROUNED: CABIN EMERGENCY LIGHT FAILED TEST. EPSU INTERNAL LOAD LOW. REMOVED AND REPLACED BATTERY OF EPSU IAW AMM 33-51-38-000-002, 33-51-38-400-002 & 33-51-00-210-001.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNED: CABIN EMERGENCY LIGHT FAILED TEST. EPSU INTERNAL LOAD LOW. REMOVED AND REPLACED BATTERY OF EPSU IAW AMM 33-51-38-000-002, 33-51-38-400-002 & 33-51-00-210-001.