# SDR SIMA20210209001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2021
- Submitted: February 10, 2021
- Operation: Air carrier
- Aircraft: [N900AE](https://openairdocs.org/aircraft/N900AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500885
- Aircraft time: 37,812 hours, 32,950 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Landing Gear
- Condition: Malfunctioned
- 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/SIMA20210209001

## Discrepancy

LANDING GEAR FAIL UNABLE TO RETRACT. EMERGENCY DECLARED-LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF IN QV. AIR/GROUND FAIL EICAS MESSAGE, COMPLIED WITH QRH. DEVERTED TO SGF. LANDED AT 43,500 LBS, SOFT TOUCHDOWN. COMPLIED W/OVERWEIGHT LANDING PROCEDURES.-C/A-UPON INSP FOUND LG AIR/GND - PROX SW FAIL MSG ON CMC. PERFORMED PROXIMITY SWITCH FNC - ALTERNATIVE PROCEDURE WITH BREAK OUT BOX PER AMM 32-63-05-700-802-A. FNC GOOD. PERFORMED MULTIPLE LANDING GEAR EXTENSION AND RETRACTION OPC PER AMM 32-30-00-700-801-A. OPC GOOD. CND FAULT.

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