# SDR N3XR20250507001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 2025
- Submitted: May 7, 2025
- Operation: General aviation
- Filed by: [Embry-Riddle Aeronautical University Inc, repair station N3XR816N](https://openairdocs.org/faa-repair-station/N3XR816N/embry-riddle-aeronautical-university-inc.md) (OpenAirDocs)
- Aircraft: [N313ER](https://openairdocs.org/aircraft/N313ER), registered now
- Make and model: Diamon DA 42
- Registry model: [Diamon DA 42](https://openairdocs.org/model/diamond-aircraft-ind-da-42) (OpenAirDocs)
- Aircraft serial: 42N535
- Aircraft time: 677 hours
- Engine: Austro E4
- Engine time: 481 hours
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Piston
- Part number: E4A72400000
- Condition: Cracked
- Location: Zone 600
- Part time: 481 hours
- Stage of operation: IN
- How discovered: B
- Nature of condition: P
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/N3XR20250507001

## Discrepancy

WHILE COMPLYING WITH AD2024-19-10 / MSB-E4-043 (RTBORESCOPE INSPECTION), THE #2 PISTON ON THE RIGHT ENGINE WAS FOUND CRACKED. THE ENGINE WAS REPLACED.

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