As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN EMERG LIGHT: FORWARD CABIN EMERGENCY LIGHTING BATTERY IS INOPERATIVE. (LIGHTS TESTED WITH PASSENGER ADVISORY SYSTEM OK). *** CORRECTIVE ACTION *** TROUBLESHOT FWD EMERGENCY LIGHTING SYSTEM AND FOUND DIODE DI051 IS BAD. REMOVED AND REPLACED DIODE WITH CUSTOMER SUPPLIED NEW DIODE. DIODE PN: S3106-4 NSN. OPS CHECK OF EMER LIGHTS GOOD. WORK PERFORMED REF CES60XL AWM 33-50-01-01.