As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMER LT BATTERY PACK M33408 CAPACITY CHECK FAILED TRANSFER REF. NON-ROUTINE HX NRC WO.626575 AND ORIGINATED BY EMP EMER LT BATTERY PACK M33408 BATTERY REPLACED AND INSTALLATION TEST CARRIED OUT NORMAL IAW AMM 33-51-06. WORK ACCOMPLISHED BY MECHANIC INSPECTED BY