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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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Crj-200 was dispatched with one pack inoperative. During climbout; the other pack malfunctioned; and when level at cruise altitude; it failed. Flight crew declared an emergency; descended to 10000 ft where the pack was re-set; and continued to destination.
| Attributes | |
| ACN | 754024 |
| Time | |
| Date | 200709 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | msl single value : 25000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zzz.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | Regional Jet 200 ER&LR |
| 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 |
| Experience | flight time last 90 days : 210 flight time total : 9000 flight time type : 7000 |
| ASRS Report | 754024 |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | aircraft equipment other aircraft equipment : eicas other flight crewa |
| Resolutory Action | flight crew : declared emergency flight crew : overcame equipment problem |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Aircraft Company |
| Primary Problem | Maintenance Human Performance |
Narrative:
Our right pack was deferred prior to departure. During initial climb; the left pack shut off with only a left pack off status message. The left pack was reset and functioned normally until we leveled at FL250. Then; the left pack shut down due to a left pack high temperature. I declared an emergency and we descended to 10000 ft. The left pack was reset and functioned normally. I canceled our emergency status and spoke with the flight attendant to explain what had happened and to make sure that she and the passenger were ok. Then; I consulted with operations and it was agreed that we had sufficient fuel and could safely continue to ZZZ at 10000 ft. The event was recorded in the aml as a discrepancy and subsequently signed off by maintenance as an anomaly. After departing in a different aircraft; we overheard the crew who took over that airplane calling operations to report another left pack shutdown as they were climbing through 14000 ft.
Original NASA ASRS Text
Title: CRJ-200 WAS DISPATCHED WITH ONE PACK INOP. DURING CLIMBOUT; THE OTHER PACK MALFUNCTIONED; AND WHEN LEVEL AT CRUISE ALT; IT FAILED. FLT CREW DECLARED AN EMER; DESCENDED TO 10000 FT WHERE THE PACK WAS RE-SET; AND CONTINUED TO DEST.
Narrative: OUR R PACK WAS DEFERRED PRIOR TO DEP. DURING INITIAL CLB; THE L PACK SHUT OFF WITH ONLY A L PACK OFF STATUS MESSAGE. THE L PACK WAS RESET AND FUNCTIONED NORMALLY UNTIL WE LEVELED AT FL250. THEN; THE L PACK SHUT DOWN DUE TO A L PACK HIGH TEMP. I DECLARED AN EMER AND WE DSNDED TO 10000 FT. THE L PACK WAS RESET AND FUNCTIONED NORMALLY. I CANCELED OUR EMER STATUS AND SPOKE WITH THE FLT ATTENDANT TO EXPLAIN WHAT HAD HAPPENED AND TO MAKE SURE THAT SHE AND THE PAX WERE OK. THEN; I CONSULTED WITH OPS AND IT WAS AGREED THAT WE HAD SUFFICIENT FUEL AND COULD SAFELY CONTINUE TO ZZZ AT 10000 FT. THE EVENT WAS RECORDED IN THE AML AS A DISCREPANCY AND SUBSEQUENTLY SIGNED OFF BY MAINT AS AN ANOMALY. AFTER DEPARTING IN A DIFFERENT ACFT; WE OVERHEARD THE CREW WHO TOOK OVER THAT AIRPLANE CALLING OPS TO RPT ANOTHER L PACK SHUTDOWN AS THEY WERE CLBING THROUGH 14000 FT.
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.