As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PED DOOR 3 RT FWD NR 15 REMOTE WELS CONTROL UNIT POWER BATTERY FAILED, REFER NON-ROUTINE NR 9416026. REPLACED CLASS 15 WELS CONTROL UNIT BATTERY AND PERFORMED INSTALLATION TEST FOUND NORMAL. THE FAULT MESSAGE FOUND CLEARED, REFER AMM 33-51-07-02B-520A-A & AMM 33-51-07-02B-7 20A-A REV 140.