# SDR 2003FA0000425

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2003
- Submitted: April 14, 2003
- Operation: General aviation
- Aircraft: [N4350M](https://openairdocs.org/aircraft/N4350M), registered now
- Make and model: Amd FALCON50MYST
- Aircraft serial: 142
- Aircraft time: 10,635 hours, 8,186 cycles
- System (JASC): [7160 · Engine Air Intake System](https://openairdocs.org/jasc/7160)
- Part: Intake Duct
- Part number: F50B258700A2
- Condition: Cracked
- Location: Nr 2 Engine
- Part time: 10,635 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2003FA0000425

## Discrepancy

DURING 3C INSPECTION FOUND SEVERAL CRACKS IN THE NR 2 ENGINE INTAKE S-DUCT ASSEMBLY.  CRACKS WERE AT THE OUTER, UPPER SKIN IN SEVERAL LOCATIONS AROUND THE UPPER ANTI-ICE BLEED AIR DUCTING ON TOP OF THE INTAKE S-DUCT ASSEMBLY.  THE ENTIRE S-DUCT ASSEMBLY WAS REPLACED WITH NEW.  INITIAL DETERMINATION OF CAUSE OF CRACKS IS SUSPECTED TO BE METAL FATIGUE OVER TIME OF LIFE IN SERVICE.

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