As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BRAKE WHEN APPLIED AFTER LANDING DIDN'T STOP WITH NORMAL BRAKING POWER. INSPECTED, FOUND NR 4 BRAKE QUICK DISCONNECT TO BE LOOSE. SECURED NR 4 QUICK DISCONNECT & SAFETIED IT IAW AMM 32-42-01. OPERATED BRAKES FOUND TO BE WORKING. ACFT OK CONTINUED SERVICE.