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Medium large transport flight crew hears loud bang then experiences egt increase and N2 decrease. Engine shut down, emergency landing.
| Attributes | |
| ACN | 147329 |
| Time | |
| Date | 199006 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : bff |
| State Reference | NE |
| Altitude | msl bound lower : 37000 msl bound upper : 37000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdv |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other Other |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 100 flight time total : 5000 flight time type : 100 |
| ASRS Report | 147329 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : declared emergency other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
Narrative:
During level cruise of FL370, the captain exited the flight deck to use the bathroom. Approximately 2 mins later I felt a sudden a loud 'bang' on the right side of the aircraft. I then noticed #2 N2 decreasing and egt rising as well as the autoplt trim moving the control column against the increase in rudder. The captain returned and we initiated shutdown procedures on the right engine. We declared an emergency and asked for vectors direct to den. All preliminary and final emergency checklists were completed and we landed at den. Maintenance control told us the probable cause was failure of the #3 bearing.
Original NASA ASRS Text
Title: MLG FLT CREW HEARS LOUD BANG THEN EXPERIENCES EGT INCREASE AND N2 DECREASE. ENGINE SHUT DOWN, EMERGENCY LNDG.
Narrative: DURING LEVEL CRUISE OF FL370, THE CAPT EXITED THE FLT DECK TO USE THE BATHROOM. APPROX 2 MINS LATER I FELT A SUDDEN A LOUD 'BANG' ON THE R SIDE OF THE ACFT. I THEN NOTICED #2 N2 DECREASING AND EGT RISING AS WELL AS THE AUTOPLT TRIM MOVING THE CTL COLUMN AGAINST THE INCREASE IN RUDDER. THE CAPT RETURNED AND WE INITIATED SHUTDOWN PROCS ON THE R ENG. WE DECLARED AN EMER AND ASKED FOR VECTORS DIRECT TO DEN. ALL PRELIMINARY AND FINAL EMER CHKLISTS WERE COMPLETED AND WE LANDED AT DEN. MAINT CTL TOLD US THE PROBABLE CAUSE WAS FAILURE OF THE #3 BEARING.
Data retrieved from NASA's ASRS site as of July 2007 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.