As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 1821 DURING CABIN WALK THROUGH EMERGENCY LIGHTS DID NOT ILLUMINATED FROM 41F TO 49F. CORRECTIVE ACTION: T/S PER B767-400 FIM 33-51-00-815-803. FOUND BATTERY PACK AT STA 1197 TO BE DISCHARGED. R/R BATTERY PACK PER B767-400 AMM 33-51. TEST OK. A/C OK FOR SVC. (6394231)