What was found
FLT#1310, JAX-BOS. "ELECTRICAL BURING SMELL BETWEEN ROWS 19-24 REPORTED BY FLIGHT ATTENDANTS AND PAX. NO SMOKE VISIBLE DURING TROUBLESHOOTING FA TURNED OFF PED AND SMWLL DISSAPTED. BURNING SMELL LASTED APPROX 5 MIN DURING CRUISE. ( THALES-AVANT IFE (ENTIRE SYSTEM) ); REMOVED CB COLLERS AND REACTIVATED AVANT IFE SYS. EXAMINED AVANT IFE AT ROWS 19-24 AND FOUND NO EVIDENCE OF BURING SMOKE OR SMELL. COULD NOT DUPLICATE. AVANT IFE SYS. OPS CHK GOOD IAW 44-21-00. MDDR CLR MX-4 UPDATED AND PLACARD REMOVED."