As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTING BATTERY PACKS M1674 AND M1675 FAILED CAPACITY CHECK. ; / [01] REMOVED AND REPLACED BATTERIES PACK M1674 AND M1675 PER ACMM 33-51-06-960-805. GROUND TEST NORMAL.; [02] REMOVED AND REPLACED BATTERIES PACK M1674 AND M1675 PER ACMM 33-51-06-960-805. GROUND TEST NORMAL.; [03] VERIFIED STEPS 1 AND 2.