As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(SUPPORT TASK) EMERGENCY LIGHT BATTERY PACK M1668 FAILS TEST TRANSCRIBED FROM AAR GSO NR 9280293 ORIGINATED BY V942811 SDR COMPLETED REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1668 AND PERFORMED GOOD OPS CHECK IN REF WITH B737 AMM TASK 33-51-06-960- 805. AAR GSO MECH V933788 INSP QC464