# SDR 2025FA0000411

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 19, 2025
- Submitted: June 19, 2025
- Operation: General aviation
- Aircraft: [N656BC](https://openairdocs.org/aircraft/N656BC), registered now
- Make and model: Diamon DA 40
- Registry model: [Diamon DA 40](https://openairdocs.org/model/diamond-aircraft-ind-da-40) (OpenAirDocs)
- Aircraft serial: 40441
- Engine: Lyc IO360M1A
- Propeller: Hartzl HCC2YR1
- System (JASC): [3211 · Main Landing Gear Attach Section](https://openairdocs.org/jasc/3211)
- Part: Attach Bolt
- Part number: LN9037M6042
- Condition: Broken
- Location: Zone 700
- 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/2025FA0000411

## Discrepancy

THE BOTTOM MOST BOLT, WASHER, AND NUT, WAS FOUND MISSING ON THE MLG AXLE WHERE THE AXLE ATTACHES TO THE LANDING GEAR LEG. BOLT P/N: LN9037-M6042, WASHER P/N: DIN125A-M6-A2, NUT P/N: DIN985-M6-A2.

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