What was found
AFTER TAKEOFF, AFT FLIGHT ATTENDANT NOTED A SMELL, ELEC OR LIKE A BURNT RUBBER SMELL. THE SMELL ONLY DETECTED FROM L2 JUMP SEAT. NOW COME BACK INTERMITTENTLY FOR ONE H & FULL DISSIPATED APPROX 30 MIN PRIOR TO TOUCHDOWN. CHECKED ALL LIGHTS, SOCKETS & CHECKED UNDER FLIGHT ATTENDANTS SEAT. CHECKED FLUSH MOTOR & ELEC VENTS, FOUND NO FIND OF ARCHING OR BURNT ELEC WIRING, NO DEFECTS. ACFT OK FOR SERVICE IAW 25-22-00 & 33-24-00.