<< >> NASA ASRS Report 422661, December 1998

A B737-300 on climb out immediately after takeoff at 1000 ft had the captain's stall warning stick shaker activate at flap retraction caused by an angle of attack sensor damaged by ground equipment.

Attributes
ACN	422661
Time
Date	199812
Day	Mon
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : hou
State Reference	TX
Altitude	agl bound lower : 1000 agl bound upper : 1000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : dtw
Operator	common carrier : air carrier
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 50 flight time total : 7000 flight time type : 30
ASRS Report	422661
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial
Events
Anomaly	aircraft equipment problem : less severe
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	none taken : anomaly accepted other
Consequence	other Other
Supplementary
Air Traffic Incident	other

Narrative:

Captain's stick shaker activated at flap retraction. Contacted maintenance control and pulled stall management computer #1 circuit breaker. Stick shaker ceased. Agreement among captain, maintenance, and dispatch to continue flight to destination, tpa. I had personally conducted the preflight inspection of the aircraft prior to this departure. Angle of attack vanes were intact at that time. Postflt inspection revealed damage to left side angle of attack vane. Probable cause was contact with jetway during jetway withdrawal.

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Original NASA ASRS Text

Title: A B737-300 ON CLBOUT IMMEDIATELY AFTER TKOF AT 1000 FT HAD THE CAPT'S STALL WARNING STICK SHAKER ACTIVATE AT FLAP RETRACTION CAUSED BY AN ANGLE OF ATTACK SENSOR DAMAGED BY GND EQUIP.

Narrative: CAPT'S STICK SHAKER ACTIVATED AT FLAP RETRACTION. CONTACTED MAINT CTL AND PULLED STALL MGMNT COMPUTER #1 CIRCUIT BREAKER. STICK SHAKER CEASED. AGREEMENT AMONG CAPT, MAINT, AND DISPATCH TO CONTINUE FLT TO DEST, TPA. I HAD PERSONALLY CONDUCTED THE PREFLT INSPECTION OF THE ACFT PRIOR TO THIS DEP. ANGLE OF ATTACK VANES WERE INTACT AT THAT TIME. POSTFLT INSPECTION REVEALED DAMAGE TO L SIDE ANGLE OF ATTACK VANE. PROBABLE CAUSE WAS CONTACT WITH JETWAY DURING JETWAY WITHDRAWAL.

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.