As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED RT BRAKE DE-ICE DOES NOT ILLUMINATE ON CYCLE AFTER LANDING OR BEFORE TAKEOFF. REPLACED VALVE ASSEMBLY. SUBMITTER STATED THESE PARTICULAR VALVES HAVE A VERY POOR RELIABILITY FACTOR. THEY ARE NOT RELIABLE AND USUALLY ONLY LAST ABOUT 6 MONTHS UNTIL THEY FAIL. THIS VALVE HAD 312.6 HOURS AND 372 CYCLES. RECOMMEND MANUFACTURER LOOK FOR THE PROBLEM AND IMPROVE RELIABILITY.