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Md-82 captain reported loss of cabin pressurization after takeoff. Emergency was declared and flight returned to departure airport.
| Attributes | |
| ACN | 1050653 |
| Time | |
| Date | 201211 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | MD-82 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Component | |
| Aircraft Component | Pressurization System |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
After takeoff I noticed the cabin did not pressurize. Checked and confirmed: cabin altitude control lever in auto; both packs on; checked left/right pneumatic pressure gauges. Both indicated zero. Pressurization flow light came on. Leveled off at 5;000 feet; asked for a heading. Completed QRH checklist. Unable to pressurize. Declared an emergency. Burned off some fuel. Completed checklists and communicated with flight attendants; passengers; operations and dispatch. Landed overweight at 140;000 lbs. Day VFR; dry runway; 8 KTS headwind. Normal descent rate; smooth touchdown; brakes stayed cool. Communicated with arff. Emergency vehicles followed the aircraft per their procedure. Debriefed maintenance; dispatch; and dc-9 fleet captain; first officer and cabin crew did an excellent job.
Original NASA ASRS Text
Title: MD-82 Captain reported loss of cabin pressurization after takeoff. Emergency was declared and flight returned to departure airport.
Narrative: After takeoff I noticed the cabin did not pressurize. Checked and confirmed: Cabin ALT Control lever in auto; both packs on; checked L/R Pneumatic Pressure gauges. Both indicated zero. Pressurization flow light came on. Leveled off at 5;000 feet; asked for a heading. Completed QRH checklist. Unable to pressurize. Declared an emergency. Burned off some fuel. Completed checklists and communicated with flight attendants; passengers; Operations and Dispatch. Landed overweight at 140;000 lbs. Day VFR; dry runway; 8 KTS headwind. Normal descent rate; smooth touchdown; brakes stayed cool. Communicated with ARFF. Emergency vehicles followed the aircraft per their procedure. Debriefed Maintenance; Dispatch; and DC-9 fleet Captain; First Officer and cabin crew did an excellent job.
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.