As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INOP BATTERY PACK ON BS 727C STR 17 L AT PASSENGER CABIN 2023-83745<[01] REPLACED BATTERY PACK ON BS 727C STR 17 L AT PASSENGER CABIN I.A.W B737-700 AMM 33-51-06-960-805 AND PERFORMED OPERATIONAL TEST OF THE NEW BATTERY PACK; TEST IS OK.;[02] CORRECTIVE ACTION CERTIFIED