# SDR RAIA2010112700001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 27, 2010
- Submitted: November 29, 2010
- Operation: Air carrier
- Aircraft: [N842HK](https://openairdocs.org/aircraft/N842HK), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500830
- Aircraft time: 16,472 hours, 15,254 cycles
- System (JASC): [3222 · Nose/Tail Landing Gear Strut/Axle](https://openairdocs.org/jasc/3222)
- Part: O-Ring
- Condition: Torn
- Location: Nlg Strut
- Stage of operation: TO
- 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/RAIA2010112700001

## Discrepancy

CREW REPORTED RECEIVING A LANDING GEAR AIR/GRD FAIL MESSAGE ON THE EICAS.  MAINTENANCE INSPECTED AND FOUND A TORN AND ROLLED O-RING IN THE NLG STRUT.  REPACKED THE NLG STRUT IAW CMM FOLLOWED BY SEVERAL SUCCESSFUL GEAR EXTENSION AND RETRACTION CHECKS.

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