As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMER LT BATT PACK M33401 CAPACITY CHK FAILED. WORK TRANSFER NON ROUTINE WO.1564405 AND ORIGINATOR BY V924748 REPLACED EMER LT BATT PACK M33401 AND TESTED NORMAL PER AMM 33-51-06. WORK ACCOMPLISHED BY MECH V927704 AND INSPECTED BY V896992.