As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY EXIT LIGHTS ASSOCIATED WITH M1670 NOT OPERATING<[01] REMOVED; REPLACE; AND PERFORMED GOOD TEST OF BOTH THE BATTERY AND THE BATTERY CHARGER FOR M1670 PER AMM 33-51-06-960-805 AND 33-51-06-960-806. NOW LIGHTS WORK CORRECTLY.;[02] VERIFIED CORRECTIVE ACTION STEP 1.