As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE PRESSURE RELIEF VALVE FAILED JUST AFTER T/O. POST FLIGHT REPORT SHOWS PRESS TRANSDUCER 8HA1 REG FAULT. DETECTED BY THE BLEED AIR MONITORING COMPUTER NR 2. REPLACED TRANSDUCER OPS AND LEAK CHECKS OK. BLEED AIR MONITORING COMPUTER NR 1 AND NR 2 TEST CHECKED OK.