# SDR 20000531SH005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 2000
- Submitted: May 31, 2000
- Operation: General aviation
- Aircraft: [N4050Q](https://openairdocs.org/aircraft/N4050Q), registered now
- Make and model: Cessna 421B
- Registry model: [Cessna 421B](https://openairdocs.org/model/cessna-421b) (OpenAirDocs)
- Aircraft serial: 421B0274
- Engine: Cont GTSIO520H
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Case
- Part number: 642133
- Part serial: 218350H
- Condition: Cracked
- Location: Engine
- Component: Engine
- 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/20000531SH005

## Discrepancy

CASE CRACKED ON LEFT HALF UPPER AT BACK ABOVE SPLIT, THE 5TH BOLT FROM REAR.  (X)

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