What was found
EMERGENCY LIGHTS AISLE SEAT 5 OVERHEAD SEAT SEVEN DID NOT ILLUMINATE. CHARGED 30 MINS STILL DID NOT COME ON. RESET 5 G SWITCH CHARGED ANOTHER THIRTY MINS DID NOT COME ON. CORRECTIVE ACTION: REMOVED FAULTY EMERGENCY LIGHT POWER SUPPLY (UC003) P/N: CBS28-1 S/N: 009391 AND INSTALLED CUSTOMER SUPPLIED NEW EMERGENCY LIGHT POWER SUPPLY (UC003) P/N: 6430028-1 S/N: D25-12109. PERFORMED EMERGENCY LIGHTING - ADJUSTMENT/TEST WITH NO DEFECTS NOTED, REF 680A MM 33-50-00.