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Bird strike on left engine of B757-200 mandates a return land after severe vibrations felt and noted on monitor just after takeoff from mia.
| Attributes | |
| ACN | 621232 |
| Time | |
| Date | 200406 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : mia.airport |
| State Reference | FL |
| Altitude | agl single value : 500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : mia.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : takeoff |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| ASRS Report | 621232 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | aircraft equipment problem : critical inflight encounter : birds other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : vibr. monitor other flight crewa other flight crewb |
| Resolutory Action | flight crew : declared emergency flight crew : diverted to another airport flight crew : landed in emergency condition other |
| Consequence | faa : reviewed incident with flight crew other other other |
| Supplementary | |
| Problem Areas | Aircraft Environmental Factor Airport |
| Primary Problem | Environmental Factor |
Narrative:
Bird strike in left engine about 500 ft in the air on takeoff. Bird looked to be about the size of a falcon. Heard noise and started to feel increasing vibration. Declared emergency with departure control and asked for return to mia. Vibration monitor went into amber range. Got to about 3.3 on vibration monitor and increasing when first officer turned off autothrottles and pulled back left engine until vibration came out of amber range. Landed on runway 30 at mia, after taking off on runway 8L. Dents on #9 and #10 fan blades, as well as small dents on other fan blades. Pictures were taken of the damage. Maintenance reported evidence of damage on the exhaust side of the engine.
Original NASA ASRS Text
Title: BIRD STRIKE ON L ENG OF B757-200 MANDATES A RETURN LAND AFTER SEVERE VIBRATIONS FELT AND NOTED ON MONITOR JUST AFTER TKOF FROM MIA.
Narrative: BIRD STRIKE IN L ENG ABOUT 500 FT IN THE AIR ON TKOF. BIRD LOOKED TO BE ABOUT THE SIZE OF A FALCON. HEARD NOISE AND STARTED TO FEEL INCREASING VIBRATION. DECLARED EMER WITH DEP CTL AND ASKED FOR RETURN TO MIA. VIBRATION MONITOR WENT INTO AMBER RANGE. GOT TO ABOUT 3.3 ON VIBRATION MONITOR AND INCREASING WHEN FO TURNED OFF AUTOTHROTTLES AND PULLED BACK L ENG UNTIL VIBRATION CAME OUT OF AMBER RANGE. LANDED ON RWY 30 AT MIA, AFTER TAKING OFF ON RWY 8L. DENTS ON #9 AND #10 FAN BLADES, AS WELL AS SMALL DENTS ON OTHER FAN BLADES. PICTURES WERE TAKEN OF THE DAMAGE. MAINT RPTED EVIDENCE OF DAMAGE ON THE EXHAUST SIDE OF THE ENG.
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.