Regional Jet 900 (CRJ900)
Flight Crew Air Transport Pilot (ATP)
Training / Qualification; Workload
Aircraft Equipment Problem Critical; Flight Deck / Cabin / Aircraft Event Other / Unknown
Flight Crew FLC complied w / Automation / Advisory; Flight Crew Took Evasive Action
Aircraft
Enroute we received a Left Bleed Leak warning. After 30 seconds; the warning persisted and the AC automatically closed both bleeds and began to depressurize. I was surprised how fast it depressurized. We followed the POM emergency procedures and began an expedited descent to 10;000 feet. The cabin altitude did not exceed 10;000 feet; but close enough to receive a Cabin ALT Warning. Cabin temperature began to rise and it was very uncomfortable.I transferred controls to the First Officer; so I could brief the flight attendants. I asked them to prepare for landing and give ice water to the passengers if needed as safety permits. I briefed the passengers. We requested priority handling to descend and requested the VOR 13. We called ahead to Operations and Dispatch to have them ensure our gate was ready and the ally would be clear. We landed taxied off the runway directly into the gate and had the door open with minimal delay.
A CRJ-900 depressurized automatically when; first the left bleed closed with the LEFT BLEED LEAK warning; then 30 seconds later; the right bleed automatically closed. The crew descended from 17;000 feet to 10;000 feet and continued to the filed destination.