As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
M1675 EMERGENCY LIGHT BATTERY PACK INOP. ; / [01] SWAPPED KNOWN GOOD BATTERY PACK INTO CHARGER ASSEMBLY M1675 TO CONFIRM BATTERY PACK INOP PER AMM 33-51-06-960-805. KNOWN GOOD UNIT TURNS LIGHTS ON AS INTENDED; M1675 REQUIRES REPLACEMENT. RESTORED BATTERY PACKS TO ORIGINAL LOCATIONS PER AMM 33-51-06-960-805.; [02] REMOVED; REPLACED AND PERFORMED GOOD OPERATIONAL CHECK OF M1675 EMERGENCY EXIT LIGHTS BATTERY PACK PER AMM 33-51-06-960-805; [03] VERIFIED CORRECTIVE ACTION ENTRY 1 & 2. CARD COMPLETE.