# SDR 2024FA0000451

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2024
- Submitted: June 18, 2024
- Operation: General aviation
- Aircraft: [N748D](https://openairdocs.org/aircraft/N748D), registered now
- Make and model: Beech 76
- Registry model: [Beech 76](https://openairdocs.org/model/beech-76) (OpenAirDocs)
- Aircraft serial: 341
- Aircraft time: 3,042 hours
- Engine: Lyc IO360A1G6
- Engine time: 3,042 hours
- Propeller: Hartzl HCM2YR
- System (JASC): [7120 · Engine Mount Section](https://openairdocs.org/jasc/7120)
- Part: Mount
- Part number: 10591001077
- Condition: Cracked
- Location: Rt Engine
- Part time: 3,042 hours
- Stage of operation: IN
- How discovered: D
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2024FA0000451

## Discrepancy

AD 80-19-12R1 REQUIRES THAT DYE PENETRANT INSPENTION TO BE DONE ON THE ENGINE MOUNT LOWER TUBES. ON 5TH-NOV 2023, DYE PENETRANT INSPECTION WAS CONDUCTED BUT NO CRACK WAS FOUND, BUT AFTER CONFIRMING THE RESULT WITH MPI, A CRACK OF 12MM WAS IDENTIFIED.  KINDLY NOTE THE FLIGHT HOURS FOR THIS AIRCRAFT  HAS BEEN CORRECTED TO 3042HRS

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