# SDR 20000804SH020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2000
- Submitted: August 4, 2000
- Operation: General aviation
- Aircraft: [N487AL](https://openairdocs.org/aircraft/N487AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53204
- System (JASC): [6322 · Rotorcraft Cooling Fan System](https://openairdocs.org/jasc/6322)
- Part: Duct
- Part number: 407062021101
- Condition: Cracked
- Location: Oil Cooler
- Part time: 1,666 hours
- 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/20000804SH020

## Discrepancy

UPON DAILY INSPECTION, CRACKS IN CORNERS CAUSED BY INHERENT VIBRATIONS.  (X)

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