What was found
FA REPORTED SMOKE COMING FROM UNDER ROW 9/10. TURNED OFF BOTH PACKS AND SMOKE STOPPED *DURING TAXI TO THE GATE* ON APU BLEED NO ODOR NOTICED "TRANSFERRED TO NRWC 661-DFW-06888"-C/A-REF LOG PAGE 4797560 ITEM 2. WHILE PERFORMING ETN TRIAD WORKSCOPE FOUND RECIRCULATION SYSTEM MUFFLER DISCONNECTED. MUFFLER HOSE WAS RECONNECTED IAW EMB 145 AMM 21-24-02. LEAK CHECK GOOD. NO LEAKS NOTED. NO VAPORS, SMELLS OR SMOKE NOTED DURING OPC CHECKS. REF LOG PAGE 4797562 ITEM 2 AND 3 FOR OPC CHECKS OF PACKS SYSTEMS AFTER HOSE WAS RECONNECTED AND OPC OF ENGINES PER ETN-EM-72-034. OPC GOOD NO DEFECTS NOTED AFTER ENGINE RUNS.