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B737-500 flight crew noticed a deterioration of engine thrust during initial climbout; an emergency was declared and flight returned to departure airport. Post flight maintenance inspection revealed a bird strike was the probable cause.
| Attributes | |
| ACN | 1080769 |
| Time | |
| Date | 201304 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B737-500 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Route In Use | Vectors Visual Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Turbine Engine |
| Person 1 | |
| Function | Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 148 |
| Person 2 | |
| Function | First Officer |
| Experience | Flight Crew Last 90 Days 38 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Inflight Event / Encounter Bird / Animal |
Narrative:
The number 2 engine thrust deteriorated slightly during initial climb; and unusual rudder inputs were required indicating asymmetric thrust as a result of the number 2 engine loss of thrust. An emergency was declared and ATC vectored the aircraft for a visual approach to runway xl. We had an uneventful landing and taxi into the gate. Maintenance advised the crew of indications of a possible bird strike in the number 2 engine.
Original NASA ASRS Text
Title: B737-500 flight crew noticed a deterioration of engine thrust during initial climbout; an emergency was declared and flight returned to departure airport. Post flight maintenance inspection revealed a bird strike was the probable cause.
Narrative: The Number 2 engine thrust deteriorated slightly during initial climb; and unusual rudder inputs were required indicating asymmetric thrust as a result of the Number 2 engine loss of thrust. An emergency was declared and ATC vectored the aircraft for a visual approach to Runway XL. We had an uneventful landing and taxi into the gate. Maintenance advised the crew of indications of a possible bird strike in the Number 2 engine.
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.