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MD80 flight crew has pressurization flow light illuminate; is unable to pressurize the aircraft; and returns to departure airport.
| Attributes | |
| ACN | 710165 |
| Time | |
| Date | 200609 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : c90.tracon |
| State Reference | IL |
| Altitude | msl single value : 10000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : c90.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Series (DC-9-80) Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| ASRS Report | 710165 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : navigator |
| ASRS Report | 710164 |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | aircraft equipment other aircraft equipment : press flow light other flight crewa other flight crewb |
| Resolutory Action | flight crew : diverted to another airport flight crew : landed as precaution |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft Company Flight Crew Human Performance |
| Primary Problem | Aircraft |
Narrative:
Left-hand pack was placarded inoperative prior to flight. During climb out; pressurization flow light illuminated. Proper checklist was completed with no effect. Aircraft was leveled at 10000 ft to further examine the problem. When it was determined that the pressurization could not be properly controled; we elected to return to chicago. Fuel was burned off to ensure we were below maximum landing weight. Aircraft was landed without further incident.
Original NASA ASRS Text
Title: MD80 FLT CREW HAS PRESSURIZATION FLOW LIGHT ILLUMINATE; IS UNABLE TO PRESSURIZE THE ACFT; AND RETURNS TO DEP ARPT.
Narrative: L-HAND PACK WAS PLACARDED INOP PRIOR TO FLT. DURING CLBOUT; PRESSURIZATION FLOW LIGHT ILLUMINATED. PROPER CHKLIST WAS COMPLETED WITH NO EFFECT. ACFT WAS LEVELED AT 10000 FT TO FURTHER EXAMINE THE PROB. WHEN IT WAS DETERMINED THAT THE PRESSURIZATION COULD NOT BE PROPERLY CTLED; WE ELECTED TO RETURN TO CHICAGO. FUEL WAS BURNED OFF TO ENSURE WE WERE BELOW MAX LNDG WT. ACFT WAS LANDED WITHOUT FURTHER INCIDENT.
Data retrieved from NASA's ASRS site as of January 2009 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.