As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TASK B737-33-3-0235 FOUND BATTERY PACK AT STATION 500C & 7, WL 213 & RBL 67 INOPERATIVE. R & R BATTERY PACK AT STATION 500C & 7, WL 213 & RBL 67 & OPERATIONS CHECKED OK IAW 737 NG AMM 33-51-00. BATTERY PACK SN 1557 RANND RPER B 737 NG AMM 33-51-06, SN 615 57.