# SDR SIMA20260921002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2026
- Submitted: September 28, 2026
- Operation: Air carrier
- Aircraft: [N306DD](https://openairdocs.org/aircraft/N306DD), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000851
- Aircraft time: 14,796 hours, 10,327 cycles
- System (JASC): [5743 · Wing, Landing Gear Attach Fittings](https://openairdocs.org/jasc/5743)
- Part: Bearing
- Part number: ABC48G302
- Condition: Worn
- Location: Mlg Trunnion
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20260921002

## Discrepancy

RH MLG AFT TRUNNION BEARING HAS KNIFE EDGE. (MAJOR REPAIR). REMOVED AND REPLACED RH MLG AFT TRUNNION BEARING PN ABC48G-302 REF ERJ175 AMM 57- 50-00.

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