As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L/H EMERGENCY OVERWING EXIT SIGN AND DOOR LINING LIGHTS INOP<[01] BY REPLACING THE BATTERY PACK AT LOCATION M1668 ON CUSTOMER CARD TTG8Q00NNRKS ALSO FIX L/H EMERGENCY OVERWING EXIT SING AND DOOR LINING LIGHTS PERFORMED OPERATIONAL TEST NORMAL AS PER REF B737 33-51-06-960-805.;[02] VERIFIED BATTERY REPLACEMENT AND OP TEST ON TTG8Q00NNRKS