# SDR SIMA20221126002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 26, 2022
- Submitted: November 27, 2022
- Operation: Air carrier
- Aircraft: [N670AE](https://openairdocs.org/aircraft/N670AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145790
- Aircraft time: 43,957 hours, 39,041 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Uplock
- Condition: Faulted
- Location: Nlg
- Stage of operation: TO
- 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/SIMA20221126002

## Discrepancy

ON DEPARTURE WHEN LANDING GEAR SELECTED UP THE NOSEWHEEL ONCE RETRACTED KEPT MAKING A NOISE SIMILAR TO A PISTON RAPIDLY FIRING FOR 45 SECONDS APPROX- FOLLOWED BY A WARNING CAUTION LIGHT WITH NO EICAS ALERT - NO TRANSITORY LIGHTS NOTED DURING GEAR RETRACTION. TRANSFERRED TO NRWC 670-ORD-06133. DECLARED EMERGENCY-C/A-RAR NLG UPLOCK BOX IAW EMB 145 AMM 32-33-07 OPS CHECK FUNCTIONAL LEAK CHECK GOOD SEE NRWC 670-ORD-06133 FOR ADDITIONAL WORK PERFORMED

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