What was found
FT # 872, SLC-JFK. PER BAT CAPACITY CHECK IAW W/O 1040731, PERFORMING ALTERNATIVE METHOD & REPLACED ALL EPSU BATTS REF AMM 335100-710-003-01; REPLACED EMERGENCY LIGHT BATTS (10WL, 11WL, 12WL, 13WL) IAW AMM 33-51-38. EMERGENCY SYSTEM LIGHT CHECK GOOD.