Transmitting switch on private aircraft stuck on.

Attributes
ACN	136029
Time
Date	199002
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : isp
State Reference	NY
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Fixed Gear
Flight Phase	ground other : taxi
Flight Plan	None
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : instrument pilot : private
Experience	flight time total : 3000
ASRS Report	136029
Events
Anomaly	aircraft equipment problem : less severe
Independent Detector	other other : unspecified cockpit
Resolutory Action	aircraft : equipment problem dissipated
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

Microphone ptt switch stuck on while taxiing on active runway to tie-down -- discovered at shutdown. Telex pt-300 ptt switch cracked through wire hole causing button to tilt and wedge in. This is second telex ptt to fail same way in 3 months. Will call telex and ask what's design defect?

Original NASA ASRS Text

Title: TRANSMITTING SWITCH ON PRIVATE ACFT STUCK ON.

Narrative: MIC PTT SWITCH STUCK ON WHILE TAXIING ON ACTIVE RWY TO TIE-DOWN -- DISCOVERED AT SHUTDOWN. TELEX PT-300 PTT SWITCH CRACKED THROUGH WIRE HOLE CAUSING BUTTON TO TILT AND WEDGE IN. THIS IS SECOND TELEX PTT TO FAIL SAME WAY IN 3 MONTHS. WILL CALL TELEX AND ASK WHAT'S DESIGN DEFECT?

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.