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B737-500 flight crew returned to departure airport after indication of insufficient equipment cooling.
| Attributes | |
| ACN | 739728 |
| Time | |
| Date | 200705 |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : den.airport |
| State Reference | CO |
| Altitude | msl single value : 18000 |
| Environment | |
| Flight Conditions | IMC |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdv.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B737-500 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | departure sid : n/s |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Experience | flight time last 90 days : 150 flight time total : 15000 flight time type : 4000 |
| ASRS Report | 739728 |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | aircraft equipment other aircraft equipment : master caution other flight crewa |
| Resolutory Action | flight crew : landed as precaution other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
On climb out from den master caution flashed numerous times; overhead. Also equipment cooling supply off light flashing. All 4 EFIS displays flashing. After talking with dispatch and maintenance; returned to den.
Original NASA ASRS Text
Title: B737-500 FLT CREW RETURNED TO DEPARTURE ARPT AFTER INDICATION OF INSUFFICIENT EQUIPMENT COOLING.
Narrative: ON CLBOUT FROM DEN MASTER CAUTION FLASHED NUMEROUS TIMES; OVERHEAD. ALSO EQUIP COOLING SUPPLY OFF LIGHT FLASHING. ALL 4 EFIS DISPLAYS FLASHING. AFTER TALKING WITH DISPATCH AND MAINT; RETURNED TO DEN.
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.