As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INOP BATTERY PACK ON POWER SUPPLY UNIT M1670 AT PASSENGER CABIN 1 E/A. 2024-345852<[01] REPLACED EMERGENCY POWER SUPPLY BATTERY M1670 AND<BR>PERFORMED TEST IAW B737-700 AMM 33-51-06-960-805. TEST<BR>IS OK.;[02] CERTIFIED WORK PERFORMED.