What was found
PILOT; ABOUT 3 MINUTES AFTER T/O, THE F/A’S REPORTED A STRONG BURNING SMELL MOSTLY TOWARDS THE AFT OF THE AIRCRAFT. THE SMELL DISSIPATED A FEW MINUTES LATER. THE SMELL WAS DESCRIBED AS A SMELLY AIR-CONDITIONING SMELL THAT TURNED INTO AN ELECTRICAL BURNING SMELL. IT WAS MOST NOTICEABLE AFT OF EMERGENCY EXITS. ALL COCKPIT INDICATORS WERE NORMAL. MX; UNABLE TO DUPLICATE DISCREPANCY AT THIS TIME. INSPECTED CARGO PITS, WHEEL WELLS, E&E COMPARTMENT, AFT ACCESSORY COMPARTMENT, CABIN CEILING, ACCESS PANELS, LAVATORY PANELS, LAVATORY WASTE, GALLEY EQUIPMENT, NO DEFECTS NOTED. OPENED PSU’S AND BALLAST ACCESS COMPARTMENTS AND INSPECTED NO DEFECTS NOTED. PER AM 25-25-00. OPERATED AIR CONDITIONING SYSTEM WITH ENGINES AND NO DEFECT NOTED PER AM 21-00-00, REF LP# 276322 FOR PRECAUTIONARY COALESCER BAG REPLACEMENT.