# SDR SIMA202601263002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2026
- Submitted: January 26, 2026
- Operation: Air carrier
- Aircraft: [N778RH](https://openairdocs.org/aircraft/N778RH), registered now
- Make and model: Emb ERJ 170-100 SE
- Registry model: [EMB ERJ 170-100 SE](https://openairdocs.org/model/embraer-erj-170-100-se) (OpenAirDocs)
- Aircraft serial: 17000054
- Aircraft time: 54,026 hours, 35,374 cycles
- System (JASC): [3246 · Wheel/Ski/Float](https://openairdocs.org/jasc/3246)
- Part: Wheel
- Condition: Abnormal
- Location: Zone 700
- Stage of operation: TO
- How discovered: O
- Nature of condition: E, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA202601263002

## Discrepancy

SIGNIFICANT NOSE WHEEL SHIMMY ON TAKEOFF AND LANDING. WHEN DESCENDING THROUGH FL200, HEARD A NOISE LIKE THE NOSE GEAR DOOR POPPED OPEN AND HEARD ONE AURAL "HIGH SPEED" WARNING. EICAS FULL OPENED IMMEDIATELY BUT LNDG GEAR WAS UP AND WHITE. UPON EXTENDING GEAR ON FINAL, ALL INDICATIONS NORMAL INSPECTED THE NOSE LANDING GEAR DOOR LINKAGE PER AMM 32-22-00, AMM 32-22-03, AMM32-22-01. PERFORMED GVI FOR NLG EXTENSION/RETRACTION PER AMM 32-32-00. NO DEFECT NOTED. DID A HIGH SPEED RUN HAD A SLIGHT SHIMMY ON THE NLG. SEE AML 110302269 DESCREPANCY FOR FERRY FLIGHT

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