What was found
EMERGENCY EXIT LIGHTS ON OVHD AND BY DOOR 2R ARE INOP. VERIFIED EMERGENCY LIGHTS ARE GOOD. AFT GALLEY OVER HEAD LAMPS INOP FWD TO MEL 33-20-01A PLACARD INSTALLED NO M PROC. LOG-PAGE UPDATED @ 28JAN21 2207 UTC 03 DFRD BY SALLUSTI 00226125 ATG 28JAN21 ENTR 00226125 S LOG WAS REDEFERRED TO UPDATE PARTS REQUIREMENT LOG-PAGE UPDATED @ 28JAN21 2211 UTC 04 CORR BY KOLB 00254397 LAX 29JAN21 ATA 3351 RII: N ENTR 00254397 W FAULTS EPSU 14WL SWAPPED 14WL & 15WL CONFIRMED EPSU FAILURE RETURNED EPSU'S TO ORIGINAL POSITION NEEDS EPSU 14WL REPLACED 419042. R & R EPSU 14WL PER A321 AMM 33-51 AND BATTERY PACK. BATTERY PACK P/N ON/OFF: AD-3214-31. SN OFF:258292 SN ON: 259689. PLACARD REMOVED. NO M PROCEDURES POWER SUPPLY, E OFF 34-3351-9-0001 60067 ON 33-3351-9-0002 61386. LP 7431010