As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
33-50-01 EMERGENCY CABIN LIGHTING REPEAT WRITE-UP. FLASHING EVERY 15 SECONDS. REMOVED MED AFT EXIT SIGN MARKER LIGHT ASSEMBLY PN 9919055-2 SN 07C197A. INSTALLED NEW LIGHT PN 9919055-2 SN 19L561A. PERFORMED OPS TEST OF EMER LIGHTS AND IT CHECKS GOOD. POWERED UP AIRCRAFT AND ALLOWED BATTERY PACKS TO CHARGE UP. SHUT DOWN, CLOSED AND SECURED AIRCRAFT. WORK DONE IN REF CE680 AMM 33-50-00. OPS CHECK GOOD.