What was found
EMERGENCY LIGHT BATTERY FAULT EICAS MESSAGE DISPLAYED. REMOVED FROM SERVICE. CMC FAULTS: EMER LT (FWD R)/WRG FAULT, 33500001UT1, EMER LT(FWD L)/WRG FAULT, 33500002UT1, EMER LT BATT(AFT R INBD/WRG FAULT, 33500003UT1, EMER LT BATT(AFT R OUTBD/WRG FAULT, 33500004UT1. C/W CYCLE OF SHIP'S POWER. CLEARED FAULT MSG. C/W CHARGING CHECK OF ELPU IAW AMM 33-50-01-800-801-A. C/W OPS CHECK OF EMERGENCY LIGHTNING IAW AMM 33-50-00-710-801-A. OPS CHECK GOOD. FAULT DID NOT RETURN. COULD NOT DUPLICATE. RETURNED TO SERVICE. NO PARTS REPLACED.