As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(SUPPORT TASK) M1670 BATTERY PACK LOW VOLTAGE TRANSCRIBED FROM AAR GSO NR 9288012. ORIGINATED BY V942811 SDR COMPLETED REMOVED AND REPLACED M1670 BATTERY PACK AND PERFORMED OPS CHECK AND OPS CHECK GOOD IN REF WITH B737 AMM TASK 33-51-06-960-805. AAR GSO MECH V933781 INSP QC455