What was found
ENGINE EXHAUST FUMES IN CABIN WILL NOT DISSIP ATE TECHS THAT MET CREW WALKED THROUGH CABIN AND DID NOT FIND ANY ODOR, NOTHING IN CABIN OR GALLEYS. FLIGHT ATTENDANTS CLAIM EXHAUST FUMES RAN BOTH ENGS, NO ODOR FROM #2 ENG AND APU BLEED SOURCE. WHEN RUNNING #1 ENG STRONG FUEL ODOR IN CABIN. CONTINUE T/S PER FIM 71-05 FAULT TREE 828 #1 ENG REQ BOROSCOPE PER FIM 71-05 TASK 828 STARTED WITH FIM TASK 71-05 FAULT TREE 828, NO EVIDENCE OF EXTERNAL OIL OR FUEL LEAKS FOUND ON #1 ENG, NO EVIDENCE OF OIL LEAKS FOUND AT THIS TIME IN AREAS MENTIONED ON BLOCK 3. ALSO PERFORMED VISUAL INSPECTION OF BOTH PACK BAYS WITH NO- EVIDENCE OF FUEL LEAKS FROM CENTER TANK AT THIS TIME. WILL NEED TO CONTINUE WITH FIM TASK FROM BLOCK 4 PAGE 2. WHEN CHANGING RIGHT RECIRCULATION HEPA FILTER NOTICED FUEL SMELL. SMELL NOT NOTICED ON FILTER ITSELF BUT IN THE DUCTING WHERE FILTER CAME OUT OF. NO SMELL NOTED ON LEFT SIDE. NO FUEL LEAKS NOTED IN LEFT AND RIGHT AC BAYS AT THIS TIME PERFORMED FURTHER VISUAL INSPECTION OF LEFT AND RIGHT PACK BAY FOR FUEL LEAK. FOUND FUEL IN LEFT PACK BAY BY THE LEFT SPAR.