As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY EXIT LIGHT BATTERY PACK (M1676) WILL NOT CHARGE <[01]. OPENED AIR GRILL AT M1676 BATTERY PACK POSITION IAW AMM 33-51-06-960-805 STEPS 4.A-4.E(2) AND 4.E(3G). REPLACED AND ACCOMPLISHED INSTALLATION TEST OF EMERGENCY EXIT LIGHT BATTERY PACK (M1676) IAW AMM 33-51-06-960-805 STEPS 4.E(4-6). TEST GOOD. CLOSED AIR GRILL AT M1676 BATTERY PACK POSITION IAW AMM 33-51-06-960-805 STEPS 4.F(5).; [02] AUDIT C/W.