# SDR CHQA20140604185

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2014
- Submitted: June 10, 2014
- Operation: Air carrier
- Aircraft: N378SK
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145593
- Aircraft time: 30,029 hours, 269,820 cycles
- Engine: Rroyce AE3007A13
- Engine time: 28,187 hours, 24,742 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Electronic Unit
- Part number: 355022003
- Part serial: 4130
- Condition: Faulty
- Location: Landing Gear
- Part time: 21,556 hours, 21,241 cycles
- 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/CHQA20140604185

## Discrepancy

CREW REPORTED THAT THEY RECEIVED A LG AIR & GND FAIL MSG AFTER TAKEOFF & THAT THE LG WOULD NOT RETRACT.  THE CREW RETURNED TO FIELD & LANDED WITHOUT INCIDENT.  THE ACFT WAS FERRIED FOR FURTHER MX.  MX REPLACED THE LG ELECTRONICS UNIT & THE NLG WEIGHT ON WHEELS PROXIMITY SWITCH.  OPERATIONAL CHECKS & LG SWINGS WERE GOOD WITH NO FURTHER DEFECTS NOTED.

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