As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN EMERG LIGHT: SEAT 3 LIGHT AND RIGHT SIDE EXTERIOR EMERGENCY LIGHTS DID NOT ILLUMINATE DURING PREFLIGHT CHECK. WE RAN TWO 30 MIN CHARGING CYCLES AND THE FAILURE REMAINED. REMOVED !NOP POSITION #2 BATTERY CHARGER SYSTEM P/N:CBS28-1 S/N:5743M. INSTALLED CUSTOMER SUPPLIED REPAIRED BATTERY CHARGER SYSTEM P/N:CBS28-1 S/N:008205. ALL WORK DONE IN REF TO CE680A AMM CH 33-50-06.