As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON APPLYING BRAKES FROM A NORMAL TAXI SPEED, THERE IS INITIALLY NO BRAKING RESPONSE, FOLLOWING BY A HARD, GRABING BRAKE, FEELS AS THROUGH THE ANTI SKID IS NOT ALLOWING THE BRAKES TO FUNCTION, THEN GRABS. BLED BRAKE SYSTEM. PERFORMED FUNCTIONAL CHECK OF BRAKE SYSTEM. SYSTEM CHECK NORMAL. FOUND LOOSE CONNECTOR IN LT WHEEL WELL. TIGHTENED CONNECTOR. PERFORMED TRANSDUCER CHECK AND TAXI CHECK. BOTH CHECKS NORMAL. ALL WORK DONE IAW CITATION 560 MM 32-42-00.