SDR CA090618007

Service difficulty report · Proximity Switch · Aerosp ATR42300

Difficulty date: June 14, 2009
Submitted: August 3, 2009
Operation: General aviation
Make and model: Aerosp ATR42300
Aircraft time: 39,459 hours
Engine: Pwa PW120
System (JASC): 3260 · Landing Gear Position and Warning
Part: Proximity Switch
Part number: D22878001
Condition: Dented
Location: Mlg
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

(CAN) AFTER TAKEOFF, LANDING GEAR WOULD NOT RETRACT, ACFT RETURNED TO DEPARTURE. MX FOUND THE WEIGHT ON WHEELS SWITCH UNSERVICEABLE, APPEARED TO BE DENTED FROM STONE DAMAGE, AIRPORT IS A GRAVEL STRIP. REPLACEMENT OF THE SWITCH CORRECTED THE PROBLEM.

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