What was found
EICAS MESSAGE EMERGENCY LIGHT ON UPPER EICAS. MAINT MESSAGE 33-11311 IS ACTIVE ON ONBORD MAINT EXISTING FAULTS. ACTIVE MAINT MSG 33-11311, SHOWING DEGRADED CLASS 11 DR 2RH REMOTE WELS BATTERY DEGRADED (M3351036). WAITING FOR M&E PN 78-3350-9-9001 TO DELIVER TO STORES WINDOW. SEE IMAGE R/R CLASS 11 REMOTE WCBU AT DR 2RH. PERFORMED OPS CHECK. OPS CHECK NORMAL. PERFORMED EMERGENCY LIGHTING SYSTEM QUICK TEST ON CMCF. TEST PASSED. MAINT MSG 33-11311 NOT ACTIVE. OPS CHECK NORMAL. AC RETURNED TO NORMAL. REF SSM DMC-B787-A-33-51-10-02A-054A-D. REF AMM DMC-B787-A-33-51-07-02B-720A-A. OPS CHECK NORMAL.