Narrative:

Damage to alpha vane and pitot tube occurred at some point. Stick shaker activated on climbout and altimeter was 1000 ft off. [ATC was advised] and uneventful overweight landing was accomplished.

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Original NASA ASRS Text

Title: B737 Captain reported airspeed and altitude anomalies after takeoff due to undetected damage to pitot static sensors.

Narrative: Damage to alpha vane and pitot tube occurred at some point. Stick shaker activated on climbout and altimeter was 1000 ft off. [ATC was advised] and uneventful overweight landing was accomplished.

Data retrieved from NASA's ASRS site 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.