# SDR 98ZZZX114

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N401GS
- Make and model: Cessna 401A
- Registry model: [Cessna 401A](https://openairdocs.org/model/cessna-401a) (OpenAirDocs)
- Aircraft serial: 401A0063
- Engine: Cont TSIO520EB
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Camshaft
- Part number: SA649520A3
- Condition: Galled
- Location: Engine
- Part time: 168 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/98ZZZX114

## Discrepancy

LIFTER/CAMSHAFT GALLED.  LIFTER BODY CHIP FOUND IN OIL FILTER.  PRESSURE RELIEF VALVE CAUSING LOW OIL PRESSURE.  ENGINE TORN DOWN, NEW PARTS INSTALLED.

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