Service difficulty report · Computer · Beech 400A

Difficulty date
January 30, 2007
Submitted
February 22, 2007
Operation
Air carrier
Aircraft
N9PW
Make and model
Beech 400A
Aircraft serial
RK007
Engine
Pwa JT15D5
Part
Computer
Condition
Faulted
Location
Stall Warning
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

STICK SHAKER ACTIVATED SHORTLY AFTER ROTATION, STAYED ACTIVATED UNTIL 240KIAS. INDICATOR AND ANGLE OF ATTACK (AOA) INDEXER READ NORMAL. FLAPS WERE AT 10 DEGREES, LANDING GEAR WAS DOWN. AOA HEAT WAS SELECTED. AIRCRAFT HAD DEICE FLUID APPLIED. INSP OF EMPENNAGE UPON LANDING AND CLOSER INSP IN HANGAR SHOWS NO ICE OR OTHER ISSUES. VERIFIED FUNCTION OF AOA PROBES, VERIFIED FUNCTION OF FLAP FOLLOW UP SWITCHES. CHECKED PROBES FOR FREEDOM OF MOVEMENT, FLUID INGRESS AT CONNECTOR PLUGS, AND THAT THEY WOULD PROPERLY TRACK IN AIRSTREAM. CHECKED PROBES FOR GROUND AND AIR HEAT MODE PROPER FUNCTIONING. CANNOT FIND ANY REASON FOR STICK SHAKER ACTIVATING. LOGICALLY THE FAULT MUST BE IN THE RT SIDE. SWAPPED LT AND RT

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