# SDR FPI2002F00006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2002
- Submitted: April 2, 2002
- Operation: Air carrier
- Aircraft: N80AC
- Make and model: Beech 58
- Registry model: [Beech 58](https://openairdocs.org/model/beech-58) (OpenAirDocs)
- Aircraft serial: TH56
- Engine: Cont IO520CB
- System (JASC): [5412 · Nacelle/Pylon, Bulkhead/Firewall](https://openairdocs.org/jasc/5412)
- Part: Channel
- Part number: 969800015
- Condition: Cracked
- Location: Nacelle
- Part time: 9,242 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/FPI2002F00006

## Discrepancy

UPPER U-CHANNEL ON ENGINE FIREWALL.  CRACKS DEVELOPED WHERE ENGINE MOUNT BOLT RUNS THROUGH FIREWALL.  PROBABLE CAUSE IS NORMAL ENGINE VIBRATION.

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