As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DONT PASS OPERATIONAL TEST EMERGENCY LIGHT BATTERY PACK M01673 AT PASSENGER CABIN 2022-352719 / [01] REPLACED BATTERY PACK M1673 AT PASSENGER CABIN IAW B737-700 AMM 33-51-06?960-805 AND PERFORMED INSTALLATION TEST OK.;[02] TASK CARD COMPLETED