As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DAILY SERVICE CHECK FOUND RT UPPER DECK DOOR 6 VOLT BATTERY EMERGENCY OPENING TEST SWITCH WILL NOT TEST. SWAPPED LT AND RT BATTERY PACKS PROBLEM FOLLOWED. REINSTALLED BATTERY PACKS IN ORIGINAL POSITION. TRANSFERRED DISCREPANCY TO DEFERRED MAINTENANCE ITEM 2467 IAW MEL 52-23-01-01.