As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING EMERGENCY LIGHT TEST DISCOVERED INOP EMER LIGHTS AT THE FOLLOWING POSITIONS OVERHEAD LIGHT AT LAV FLOOR LIGHT AT LAV EXIT SIGN ABOVE SEAT 7 EXTERIOR EMERGENCY LIGHTS CONSIDERED INOP REMOVED #4 EMERGENCY BATTERY AS REQUIRED PN CBS 28-1 SN 005169 INSTALLED CUSTOMER SUPPLIED EMERGENCY BATTERY PN CBS28-1 SN 009623 NO FAULTS FOUND OPS CHECKS GOOD CLOSED ALL GAINED ACCESS ALL WORK DONE IAW CE-680A AMM 33-50-06