What was found
LEVEL AT 32,0 FLIGHT ATTENDANTS SMELLED A BURNED RUBBER SMELL AT ROWS 18-22. UPON ARRIVAL TO AIRCRAFT, INITIAL EVALUATION FOUND NO UNUSUAL SMELLS OR SMOKE. NO CIRCUIT BREAKERS FOUND POPPED, INSPECTED O/H BINS, SEAT POCKETS, CABIN LIGHTS, LAV AND GALLEY AREAS, COFFEEMAKERS, E&E BAYS AND CARGO COMPARTMENTS. RAN ENGINES WITH EACH AND BOTH PACKS OPERATING REF FIM 21-22. NO SMELLS OR VISIBLE EVIDENCE OF SMOKE EXISTS. NOTIFIED ACTING CHIEF INSPECTOR FINDINGS, AND HE HAS RELEASED AIRCRAFT FOR SERVICE REF GMM 8115.