# SDR CA981207022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Beech 95-B55
- Registry model: [Beech 95-B55](https://openairdocs.org/model/beech-95-b55) (OpenAirDocs)
- Engine: Cont IO470L
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Camshaft
- Part number: 649478
- Condition: Worn
- Location: Engine
- 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/CA981207022

## Discrepancy

(CAN) PRE-INSPECTION RUN-UP, FOUND THE ENGINE RUNNING ROUGH AT IDLE.  COMPRESSION CHECK FOUND NR 1 AND NR 2 WITH LOW COMPRESSION.  THE CYLINDERS WERE REMOVED FOR INSPECTION AND THE CAMSHAFT LOBES WERE FOUND WORN. THE INTAKE LIFTER ON NR 2 CYLINDER WAS ALSO FOUND WORN.  THE ENGINE WAS REPLACED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
