<< >> NASA ASRS Report 422180, November 1998

A B767 on liftoff declared an emergency and diverted due to #2 engine moderate vibration caused by a bird strike in the engine.

Attributes
ACN	422180
Time
Date	199811
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : sfo
State Reference	CA
Altitude	agl bound lower : 0 agl bound upper : 10
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	tower : msp
Operator	common carrier : air carrier
Make Model Name	B767 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Navigation In Use	Other
Flight Phase	other other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
ASRS Report	422180
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	other
Consequence	other Other

Narrative:

Departing sfo runway 19R, large seagull struck radome at liftoff. Shortly thereafter, right engine began moderate vibration. Right engine had moderate surging. Made precautionary shutdown of right engine and returned to sfo. ZOA, sfo approach control, sfo tower all very professional and very helpful. My thanks to them. Callback conversation with reporter revealed the following information: the reporter stated the bird was a large seagull or a pelican. The reporter said on ground inspection 20% of the fan blades were bent and would require extensive work before returning to service.

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Original NASA ASRS Text

Title: A B767 ON LIFTOFF DECLARED AN EMER AND DIVERTED DUE TO #2 ENG MODERATE VIBRATION CAUSED BY A BIRD STRIKE IN THE ENG.

Narrative: DEPARTING SFO RWY 19R, LARGE SEAGULL STRUCK RADOME AT LIFTOFF. SHORTLY THEREAFTER, R ENG BEGAN MODERATE VIBRATION. R ENG HAD MODERATE SURGING. MADE PRECAUTIONARY SHUTDOWN OF R ENG AND RETURNED TO SFO. ZOA, SFO APCH CTL, SFO TWR ALL VERY PROFESSIONAL AND VERY HELPFUL. MY THANKS TO THEM. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE BIRD WAS A LARGE SEAGULL OR A PELICAN. THE RPTR SAID ON GND INSPECTION 20% OF THE FAN BLADES WERE BENT AND WOULD REQUIRE EXTENSIVE WORK BEFORE RETURNING TO SVC.

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.