What was found
IMMEDIATELY AFTER APU SHUTDOWN FLT ATTENDANTS REPORTED HOT AFT L LAV +SMELLED SMOKE IN LAV SMOKE/ODOR IN THE PLANE QUESTIONAIRE FILLED OUT BY FLT CREW PERFORMED INITIAL INSPECTION AS PER REF AMM 05-51-56. NO DEFECTS NOTED. A/C OK TO CONTINUE ADD EMP:U375129,U397288,U395275 REF LOGPAGE 5788519 - APU SHUTDOWN DURING PUSHBACK - PERFORMED APU BITE TEST AND FOUND FAULT 36. REMOVED AND REPLACED APU CONTROLLER PER AMM 49-61-05-004-001. RAN APU WITH FULL LOAD ND PERFORMED #1 ENGINE START NO FAULTS FOUND ON APU AT THIS TIME. PARTS USED: 75-4962-9-0001,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1665171 SN OFF 1770 CONTROLLER, APU OFF 75-4962-9-0001 1770 ON 75-4962-9-0001 0013