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MD80 captain experiences a pressurization flow light at FL350 which results in the cabin altitude slowly climbing. An emergency was declared however the crew was eventually able to stabilize the cabin altitude and continue to destination at FL250.
| Attributes | |
| ACN | 1035269 |
| Time | |
| Date | 201209 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | MD-80 Series (DC-9-80) Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Engine Air |
| Person 1 | |
| Function | Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
In cruise at FL350 pressurization flow light illuminated. Cabin climbing at approximately 300 FPM. Immediately requested and received clearance to FL250; cabin still climbing slightly. Requested and received clearance to FL200; declared emergency to assure expedited descent. Complied with QRH procedures [and] restored pressurization suitable for cruise at FL250. Contacted dispatch to inform of situation and get updated fuel burn data for flight at FL250. Continued flight uneventfully to destination.
Original NASA ASRS Text
Title: MD80 Captain experiences a Pressurization Flow light at FL350 which results in the cabin altitude slowly climbing. An emergency was declared however the crew was eventually able to stabilize the cabin altitude and continue to destination at FL250.
Narrative: In cruise at FL350 Pressurization Flow light illuminated. Cabin climbing at approximately 300 FPM. Immediately requested and received clearance to FL250; cabin still climbing slightly. Requested and received clearance to FL200; declared emergency to assure expedited descent. Complied with QRH procedures [and] restored pressurization suitable for cruise at FL250. Contacted Dispatch to inform of situation and get updated fuel burn data for flight at FL250. Continued flight uneventfully to destination.
Data retrieved from NASA's ASRS site as of July 2013 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.