As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 663 SYR-MCO, AIRCRAFT DIVERTED TO IAD DUE TO NR 1 ENGINE BLEED OVER PRESSURE MESSAGE AT 129 PSI. UNABLE TO RESET PER THE QRH. REFERENCE FIM 36-14-00-810-804-A, REMOVED AND REPLACED LEFT BLEED PRESSURE SENSOR REF AMM 36-14-02. BLEED FAIL CLEARED.