As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LGA - FL 866 - UPON LANDING IN LGA, BRAKE PEDALS WENT TO FLOOR, GRABBED AND CYCLED. MAINTENANCE REPLACED THE LOWER FUSELAGE STROBE LIGHT DUE TO ELECTROMAGNETIC INTERFERENCE WITH THE ANTI-SKID SYSTEM. ANTI-SKID TEST ACCOMPLISHED, CHECKED NORMAL. (M)