# SDR C2XA01BT058

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2001
- Submitted: April 6, 2001
- Operation: Air carrier
- Aircraft: N14821
- Make and model: Aerosp ATR 42-320
- Registry model: [Aerosp ATR 42-320](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-320) (OpenAirDocs)
- Aircraft serial: 160
- Aircraft time: 24,816 hours, 28,548 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Proximity Switch
- Part number: D22924010
- Part serial: T045
- Condition: Faulty
- Location: Lt Mlg
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C2XA01BT058

## Discrepancy

EWR  CO3433 CREW REPORTED LEFT UNLOCK LIGHT ILLUMINATED WITH GEAR RETRACTED ON SYSTEM NR 2 (NO DOWNLOCK INDICATION WITH GEAR EXTENDED).  MAINTENANCE REMOVED AND REPLACED LEFT DOWNLOCK PROXIMITY SWITCH IAW ATR42 MM 32-61-00.  OPS CHECKED GOOD.  AIRCRAFT RETURNED TO SERVICE.

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