# SDR 20000920SH005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 20, 2000
- Submitted: September 20, 2000
- Operation: General aviation
- Aircraft: [N120MG](https://openairdocs.org/aircraft/N120MG), registered now
- Make and model: Beech B100
- Registry model: [Beech B100](https://openairdocs.org/model/beech-b100) (OpenAirDocs)
- Aircraft serial: BE70
- System (JASC): [7810 · Engine Collector/Tailpipe/Nozzle](https://openairdocs.org/jasc/7810)
- Part: Bolt
- Condition: Corroded
- Location: Exhaust
- 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/20000920SH005

## Discrepancy

DURING ROUTINE INSPECTION, FOUND THE RETAINING HARDWARE FOR THE EXHAUST DUCT WITHIN BOTH ENGINE COWLINGS WAS CORRODED BEYOND SERVICEABLE LIMITS.  BOLTS AN4-4A AND NUTS MS21042L4.  THIS INSPECTION TOOK PLACE AT 310.5 HOURS FROM OVERHAUL OF BOTH ENGINES.  (X)

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