As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BLEED 2 FAIL IN FLT/R R ENG 2 NPRSOV AND PERFORMED OPS CHECK AND LEAK CHECK GOOD. HAPPENED ON CLIMB OUT OF IAD 21 TO 23K. BEGAN LOSING CABIN PRESSURE. NO MASKS DROPPED. CREW FOLLOWED QRH. REQUESTED DESCENT TO 10K. NO EMERGENCY DECLARED. BLEED 1 ALREADY ON MEL.