# SDR 2023FA0000752

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2023
- Submitted: November 9, 2023
- Operation: General aviation
- Aircraft: [N425FP](https://openairdocs.org/aircraft/N425FP), 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: 40FC025
- Aircraft time: 9,176 hours
- System (JASC): [3211 · Main Landing Gear Attach Section](https://openairdocs.org/jasc/3211)
- Part: Bolt
- Part number: LN9037M10X85
- Condition: Broken
- Location: Zone 700
- Part time: 2,765 hours
- Component: Main Landing Ge, Diamon
- Stage of operation: LD
- How discovered: V
- Nature of condition: P
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2023FA0000752

## Discrepancy

RIGHT AFT MAIN LANDING GEAR BOLT BROKE. THIS IS ONE OF TWO OUTBOARD MOUNT BOLTS  THIS BOLT WAS INSTALLED NEW 10/03/2018 AND HAD 2764.6 TTSN THE BOLT BROKE IN THE THREADED AREA. THE PILOTS CANNOT SEE THE BOLTS DURING THE PRE-FLIGHT INSPECTION AND CAN MAKE HUNDREDS OF LANDING WITH THE BOLT BROKEN UNTIL MAINTENANCE FINDS IT DURING THE NEXT 100HR INSPECTION

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