As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) RH BRAKE MASTER CYLINDER LEAKING AT ELBOW FITTING. INVESTIGATIONFOUND THAT THE ELBOW HAD NOT BEEN FULLY SCREWED IN AND THESEALING O' RING WAS DISPLACED ONTO THE THREADS OF THE ELBOW INSTEAD OF FITTING INTO THE SEAL RECESS DUE TO THE B' NUTCOVERING THE RECESS.