As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TASK CARD 33-900-701PS38 BATTERY PACK PS38 FAILS OPERATIONS CHECK OF THE MAIN TRAINING UNIT TEST SWITCH. R & R EPSU BATTERY PACK PS38 IAW AMM 33-51-17-000-801-A02 & 33-51-17-400-801-A02. OPERATIONS TESTED GOOD IAW AMM 33-51-17-710-801-A02.