As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY BATTERY PACK REQUIRES REPLACEMENT. REMOVED, REPLACED AND PERFORMED AND GOOD CHECK OF M1673 BATTERY IAW SWA B737 MAX 8 AMM 33-51-06;[02] REMOVED; REPLACED AND PERFORMED AND GOOD CHECK OF M1673 BATTERY IAW SWA B737 MAX 8 AMM 33-51-06. VERIFIED ALLL GOOD