As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ETOPS LAYOVER CHECK FOUND EMERGENCY LIGHTS IN LEFT AISLE FROM SEAT 6B TO 20B AND 24B INOP. T/S EMERGENCY LIGHTING. FOUND EMERGENCY LIGHT POWER SUPPLY AT SEAT 6B (M735) WOULD NOT TEST. REPLACED M735 POWER SUPPLY AT SEAT 6B SIDEWALL PANEL. OPERATED EMERGENCY LIGHTING. ALL NOW CHECKS GOOD.