# SDR 2010FA0000249

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2010
- Submitted: March 19, 2010
- Operation: General aviation
- Aircraft: [N519BG](https://openairdocs.org/aircraft/N519BG), registered now
- Make and model: Beech 95-B55
- Registry model: [Beech 95-B55](https://openairdocs.org/model/beech-95-b55) (OpenAirDocs)
- Aircraft serial: TC2321
- Engine: Cont IO470L
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Lifter
- Part number: 653888
- Condition: Spalled
- Location: Engine
- Part time: 1,175 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2010FA0000249

## Discrepancy

ENGINE CYLINDERS HAD LOW COMPRESSION.  REMOVED CYLINDERS AND FUND LIFTERS HAD SPALLING AND CAM SHAFT WAS WORN.  LIFTER PN 653888 AND PN 653877 INSTALLED.  THESE PN ARE DESIGNATED AS NOT AFFECTED BY MSB 09-8 OR AD 2009-24-52.

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