# SDR SIMA200514503

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2005
- Submitted: June 14, 2005
- Operation: Air carrier
- Aircraft: [N636AE](https://openairdocs.org/aircraft/N636AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145160
- System (JASC): [3234 · Landing Gear Selector](https://openairdocs.org/jasc/3234)
- Part: Lever
- Part number: 7455501
- Part serial: 0087
- Condition: Inoperative
- Location: Mlg
- Stage of operation: LD
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA200514503

## Discrepancy

ORD - FLT 4204 - ON APPROACH TO ORD LANDING GEAR RECEIVED AIR/GND FAIL MESSAGE.  CREW USED EMERGENCY EXTENSION PROCEDURES TO LOWER LANDING GEAR.  REPLACED LANDING GEAR SELECTOR LEVER.  OP CHECK GOOD.  AIRCRAFT RETURNED TO SERVICE.  (M)

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