What was found
OPERATIONAL CHECK OF CABIN EMERGENCY LIGHTS {A3NB-33-3-6012} - TEST HAS FAULTS EPSU EMER R, EPSU BATT EMER L, EPSU BATT AFT L, AND EPSU UNIT FWD L. NEEDS PWR. SUPPLY AND 4 FRESH BATTERIES. FWD. L / H POWER SUPPLY. P / N ON 3214-54-10. , M & E 31-3350-9-9001 , S / N ON 8173, S / N OFF 8193. LT FORWARD BATTERY PN : AD-3214-31 , M & E PN : 18-3351-3-0001 , PWR SUP IAW AMM 33-51-38-401 AND ALL 4 BATTERIES R & R PER AMM 33-51-38-400-002-A. R & R FWD LT POWER SUPPLY IAW AMM 33-51-38-400-001-A & ALL 4 BATTERIES IAW AMM 33-51-38-400-002-A, ALL EMERGENCY LIGHTS OPS CHECK GOOD. CORRECTION. POWER SUPPLY LT FWD PN: 3214-54-10, M & E PN : 31-3350-9-9001 , SN ON 1171, S / N OFF: 8193. POWER SUPPLY, P OFF 31-3350-9-9001 8193 ON 31-3350-9-9001 1171 ROTABLE PARTS INFO UPDATED. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1559144 SN OFF 8193 IPC REFERENCE # 33-51-01.