As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING POST FLIGHT CHECKS THE MAINTENANCE TEAM DISCOVERED BRAKE FLUID LEAKING FROM THE BRAKE BOOST PUMP FILTER HOUSING. THE MAINTENANCE TEAM REMOVED AND REPLACED THE BRAKE BOOST PUMP FILTER HOUSING O-RING PER THE AMM. LEAK CHECKS WERE SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE.