# SDR 99ZZZX2988

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N6058A](https://openairdocs.org/aircraft/N6058A), registered now
- Make and model: Beech 58
- Registry model: [Beech 58](https://openairdocs.org/model/beech-58) (OpenAirDocs)
- Aircraft serial: TH1017
- Engine: Cont IO520CB
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Spring
- Part number: 631521
- Condition: Broken
- Location: Intake Valve
- Part time: 1,570 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX2988

## Discrepancy

NR 4 CYLINDER INTAKE SPRING FOUND BROKEN AT ANNUAL INSPECTION.

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