As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMER LT BATT PACK M33409 CAPACITY CHK FAILED. WORK TRANSFER NON ROUTINE WO.1564384 AND ORIGINATOR BY V924748. REPLACED EMER LT BATT PACK M33409 AND TESTED NORMAL AS PER AMM 33-51-06. WORK ACCOMPLISHED BY MECH V927704 AND INSPECTED BY V896992.