What was found
AIRCRAFT IN BASE MAINTENANCE: DURING EMPERGENCY POWER SUPPLY UNIT TEST PER AMM 33-51-00-710-001 FAULT ATA 33-51-38 EMPERGENCY POWER SUPPLY UNIT INT LOAD EMERGENCY RIGHT, EMER LEFT, AFT LEFT AND EMPERGENCY POWER SUPPLY UNIT INT LOAD FORWARD LEFT IS SHOWN. MAINTENANCE PERFORMED REPAIR OF WIRES ON LIGHT 361WL1 PER ESPM 20-43-11; PERFORMED LOAD PROGRAMMING PROCEDURE (TEACH IN) OF THE EPSU. IAW AMM 33-51-00-820-801-A; PERFORMED OPS CHECK GOOD IAW 33-51-00-710-001-A.