As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MLG LEFT BRAKE SERVO VALVE MANIFOLD LEAKING AT HOUSING CASTING WHEN PRESSURIZED AND BRAKES APPLIED. REMOVED AND REPLACED THE LEFT NORMAL BRAKE SERVO VALVE MANIFOLD ASSY. OPERATIONAL TESTS PERFORMED NO DEFECTS NOTED REF AMM 32-42-16-400-001-A.