As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NUMEROUS EMERGENCY EXIT LIGHTS AFT DOORS AND EMERGENCY EXITS ILLUMINATED. LIGHTING AT THE BINS ON FO SIDE NEAR EMERGENCY EXIT ALSO ILLUMINATED. LIGHTS STAYED ON FOR ABOUT 30 MINUTES THEN EXTINGUISHED.<[01] REMOVED AND REPLACED POWER SUPPLY AND BATTERY PACK AT STA. 952 (M1672) AND REPLACED BATTERY PACK AT RH SIDE FWD OF EMERGENCY EXIT; OPS CHECK GOOD REF AMM 33-51-06.