What was found
BITE TEST PERFORMED ON THE CABIN EMERGENCY LIGHTING AND FAULT APPEARED. PERFORMED TSM 25-62-00-810-819-A. CHECKED EPSU CONNECTION, CONNECTION WERE GOOD. REPLACED EPSU UNIT IAW AMM 33-51-38-000-001-A. NO HELP. REINSTALLED ORIGINAL EPSU. AS TSM 25-62-00-810-819-A PARA 4.B.(2). RECOMMEND REPLACEMENT OF ESCAPE SLIDE AFT L MEL 3350H REJ MEL 3350H. OK TO DEFER INSTALLED INOPERATIVE STICKER ADJACENT TO AFFECTED DOOR 2L PERFORMED OPS TEST OF THE EPSU BITE CHECK IAW AMM 33-51-00-710-001-A OPS CHECKED GOOD, NO FAULTS FOUND AT THIS TIME. PERFORMED OPERATIONAL TEST OF THE EMERGENCY LIGHTS IAW AMM 33-51-00-710-007-A OPS CHECKED GOOD, NO FAULTS FOUND AT THIS TIME, ALL EMERGENCY LIGHTS COME ON. NO FAULTS FOUND ON POST FLIGHT REPORT, COULD NOT DUPLICATE FAULT.