As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BLEED 1 LEAK CLIMBING THROUGH 8000. PERFOMED ARH STILL INDICATED LEAK. LOSS OF CABIN PRSSURE EMERGENCY DECLARED.SWAP A/C CONT -C/A-T/S IAW FIM 36-20-00-810-801-A. FOUND LEAK AT JOINT #21. RAR BLEED AIR O-RING IAW EMB 145 AMM 36-11-10. OPS CHECK GOOD. NO DEFECTS NOTED.