As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
B777-33-3-7015 - CABIN L2 DOOR OVERHEAD PANEL EMER LT BATT (M33099) CAPACITY CHECK FAIL. TRANSFER REF.NON-ROUTINE HX NRC WO.3614448 AND ORIGINATED BY V920591. CABIN L2 DOOR OVERHEAD PANEL EMER LT BATT (M33099) REPLACED AND TEST NORMAL AS PER AMM 33-51-06.