# SDR CA090618007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2009
- Submitted: August 3, 2009
- Operation: General aviation
- Make and model: Aerosp ATR 42-300
- Registry model: [Aerosp ATR 42-300](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-300) (OpenAirDocs)
- Aircraft time: 39,459 hours
- Engine: Pwa PW120
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Proximity Switch
- Part number: D22878001
- Condition: Dented
- Location: Mlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA090618007

## Discrepancy

(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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