# SDR CA970228008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 1997
- Submitted: March 26, 2000
- 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)
- Engine: Pwa PW120
- Propeller: Hamstd 14SF5
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Uplock Box
- Part number: C24589000
- Condition: Frozen
- Location: Nose
- Part time: 16,640 hours
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA970228008

## Discrepancy

(CAN) AIRCRAFT RETURNED TO BLOCKS AFTER LANDING BECAUSE NOSE LANDING GEAR WOULD NOT LOCK IN UP POSITION. UPLOCK BOX FROZEN. HEAT APPLIED TO FREE.

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