# SDR SIMA20130621001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2013
- Submitted: July 17, 2013
- Operation: Air carrier
- Aircraft: [N840AE](https://openairdocs.org/aircraft/N840AE), registered now
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145656
- Aircraft time: 25,610 hours, 22,180 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Valve
- Part number: MS288892
- Condition: Inoperative
- Location: Landing Gear
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20130621001

## Discrepancy

DURING TAKEOFF,  RECEIVED AN EICAS MLG AIR/GROUND FAIL CAUTION MESSAGE AFTER GEAR RETRACTION.  SEVERAL SECONDS LATER RECEIVED EICAS ENG 1-2 REVERSER DISAGREE CAUTION MESSAGE.  ALL OTHER SYS SEEMED TO WORK PROPERLY. DURING CLIMB REFERENCED AOM V1 EMERGENCY CHECKLIST. CONTINUED TO DESTINATION AND DECLARED AN EMERGENCY.  REQUESTED A VISUAL CHECK OF LANDING GEAR BY TOWER.  ACFT LANDED WITHOUT INCIDENT.  ACFT REMOVED FROM SERVICE.  REMOVED AND REPLACED THE NOSE LANDING GEAR CHARGING VALVE IAW CMM 32-21-10. THE OPERATIONAL CHECK WAS GOOD. THE ARICRAFT WAS RETURNED TO SERVICE.

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