As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY BATTERY PACK M1672 FAIL CAPACITY TEST<[01] PARTS UPDATE;[02] VERIFIED;[03] REMOVED; REPLACED; AND PERFORMED GOOD OPERATIONAL TEST OF EMERGENCY BATTERY PACK M1672 PER AMM 33-51-00-720-801; AND AMM 33-51-06-960-805.;[04] VERIFIED CORRECTIVE ACTION COMPLETE.