As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATA: 05-50 98-0098, AFTER TAKEOFF FROM PHL 9L- TOWER REPORTED THAT SEVERAL AIRCRAFT SAW SPARKS FROM RIGHT SIDE OF AIRCRAFT. RETURNED TO PHL FOR INSPECTION. ALL AIRCRAFT SYSTEMS NORMAL, ENGINE PARAMETERS NORMAL, NO PRESSURE PROBLEMS. INSPECTED ALL 3 ENGINE INLETS AND EXHAUSTS NO DEFECTS FOUND. INSPECTED AIRCRAFT AND GEAR ALL CHECKS GOOD. OK FOR SERVICE.