What was found
DURING CAPCACITY CHECK IN MSP, EMERGENCY POWER SUPPLY P/N 3301-51, S/N 1394 FAILED ON WING CAPACITY CHECK. REPLACED BATTERY ASSEMBLY P/N 3301-31 & UNIT PASSES CMM CHECKS. RETURNED TO SERVICE 5/29/04.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CAPCACITY CHECK IN MSP, EMERGENCY POWER SUPPLY P/N 3301-51, S/N 1394 FAILED ON WING CAPACITY CHECK. REPLACED BATTERY ASSEMBLY P/N 3301-31 & UNIT PASSES CMM CHECKS. RETURNED TO SERVICE 5/29/04.