As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHT FWD GALLEY CEILING ILLUMINATED AFTER LANDING WHEN POWER SWITCHED TO APU AND REMAINED ON. NO OTHER EMERGENCY LIGHTS ILLUMINATED. GROUNDED - YES. ACCOMPLISHED OPS CK ALL EMERGENCY LIGHTS & FOUND TO BE OK AT THIS TIME, REF AMM 33-51-00. COURTESY GALLEY LIGHT WAS ON WITH EXT POWER CONNECTED AS EXPECTED. OPS CK GOOD AT THIS TIME, IAW AMM 33-24-00.