As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CAPACITY INSPECTION IN MSP, BATTERY SUPPLY P/N 61-0478-9, S/N ELB136 REMOVED FOR SCHEDULED CAPACITY CHECK, CAPACITY CHECK FAILED. MAINTENANCE REPLACED CELL PACK P/N 549-1324-06 & UNIT PASSES CMM CHECKS. RETURNED TO SERVICE 10/16/04.