As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN EMERGENCY LIGHTS ACTIVATED ON LANDING AND WERE ON FOR 1 MIN THEN EXTINGUISHED. GROUNDED - YES. FA REPORTED AFT OVERHEAD EMERGENCY LIGHT CAME ON DID NOT NOTICE FWD EMER LT ON ISOLATED ONLY TO AFT GALLEY. REPLACED BOTH AFT GALLEY EMERGENCY EXIT POWER SUPPLY UNITS.- NOTE: L/H AFT UNIT HAD TEST SWITCH BROKEN OFF. CAUSING INTERMITTENT TEST MODE WHEN JARRED. REF AMM 33-51-06-960-806. LIGHTS TEST OK. (NOTE: BATTERY PACKS CAME FULY CHARGED.).