<< >> NASA ASRS Report 595349, September 2003

A B737-300 just after rotation, struck a flock of birds and noted smell in cabin. During climb lost cooling fan and automatic pressure control.

Attributes
ACN	595349
Time
Date	200309
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	agl single value : 50
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	tower : zzz.tower
Operator	common carrier : air carrier
Make Model Name	B737-300
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	climbout : takeoff
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 220 flight time total : 7500 flight time type : 2500
ASRS Report	595349
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 160 flight time total : 5200 flight time type : 1200
ASRS Report	595194
Events
Anomaly	aircraft equipment problem : critical inflight encounter : birds
Independent Detector	other flight crewa other flight crewb
Resolutory Action	aircraft : equipment problem dissipated flight crew : took evasive action flight crew : overcame equipment problem
Consequence	other other other
Supplementary
Problem Areas	Aircraft Airport Flight Crew Human Performance Environmental Factor
Primary Problem	Airport

Narrative:

Multiple bird strikes on takeoff. Saw birds 1/2 way through takeoff roll and thought I could rotate over the takeoff, but birds rose as I rotated. Initial indications were smell in cabin. Engines were ok. During climb lost automatic pressure controller and normal equipment cooling exhaust fan. During intermediate leveloff, left engine vibrations were about 3 with power at 75%. At high power settings and at cruise all engine indications were normal. Discussed problems with dispatch and maintenance and we agreed on continuing flight. On about a 10 mi final to ZZZ1 runway 22R, lost yaw damper, left generator bus, B electric hydraulic pump. Noted that thrust reverser #1 read zero. APU started to power left generator bus. Landing was otherwise normal. Noted that during rollout we also lost left communication radio, but it came back on quickly due to unknown reason.

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Original NASA ASRS Text

Title: A B737-300 JUST AFTER ROTATION, STRUCK A FLOCK OF BIRDS AND NOTED SMELL IN CABIN. DURING CLB LOST COOLING FAN AND AUTO PRESSURE CTL.

Narrative: MULTIPLE BIRD STRIKES ON TKOF. SAW BIRDS 1/2 WAY THROUGH TKOF ROLL AND THOUGHT I COULD ROTATE OVER THE TKOF, BUT BIRDS ROSE AS I ROTATED. INITIAL INDICATIONS WERE SMELL IN CABIN. ENGS WERE OK. DURING CLB LOST AUTO PRESSURE CONTROLLER AND NORMAL EQUIP COOLING EXHAUST FAN. DURING INTERMEDIATE LEVELOFF, L ENG VIBRATIONS WERE ABOUT 3 WITH PWR AT 75%. AT HIGH PWR SETTINGS AND AT CRUISE ALL ENG INDICATIONS WERE NORMAL. DISCUSSED PROBS WITH DISPATCH AND MAINT AND WE AGREED ON CONTINUING FLT. ON ABOUT A 10 MI FINAL TO ZZZ1 RWY 22R, LOST YAW DAMPER, L GENERATOR BUS, B ELECTRIC HYD PUMP. NOTED THAT THRUST REVERSER #1 READ ZERO. APU STARTED TO PWR L GENERATOR BUS. LNDG WAS OTHERWISE NORMAL. NOTED THAT DURING ROLLOUT WE ALSO LOST L COM RADIO, BUT IT CAME BACK ON QUICKLY DUE TO UNKNOWN REASON.

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.