As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BATTERIES PACKS M1674; M1675; M1668 FAIL CAPACITY TEST BATTERIES PACKS M1674 M1675 M1668 FAIL CAPACITY TEST<[01] COMPLETED STEP 4;[02] COMPLETED STEPS 1 AND 2.;[03] REMOVED; REPLACED AND PERFORMED GOOD OPS TEST OF EMERGENCY EXIT BATTERY PACKS M1674; M1675; M1668 AS DOCUMENTED ON ASSOCIATED STEPS.