As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN EMERG LIGHT: BETWEEN SEATS 3 & 5. ALSO SEAT LIGHT ABOVE SEAT 9. //SIGNOFF// REMOVED DEFECTIVE #1 BATTERY PWR SUPPLY PN CBS28-1 SN 1621M AND INSTALLED NEW CUSTOMER SUPPLIED BATTERY PWR SUPPLY PN CBS28-1 SN 1654M AND INSTALLED NEW CUSTOMER SUPPLIED BATTERY PWR SUPPLY PN CBS28-1 SN 008893 OPS CHECK GOOD. WITH REF CE MM 33-50-10 NO DEFECTS NOTED