# SDR 98ZZZX471

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N3020R](https://openairdocs.org/aircraft/N3020R), registered now
- Make and model: Cessna 320A
- Registry model: [Cessna 320A](https://openairdocs.org/model/cessna-320a) (OpenAirDocs)
- Aircraft serial: 320A0020
- Engine: Cont TSIO470B
- System (JASC): [8550 · Reciprocating Engine Oil System](https://openairdocs.org/jasc/8550)
- Part: Oil Filter
- Part number: CH48104
- Condition: Failed
- Location: Auxiliary Oil
- Part time: 73 hours
- Component: Champion
- Stage of operation: IN
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX471

## Discrepancy

FOUND FILTER PLEATS POPPED OUTWARD ALLOWING OIL TO PASS THROUGH UNFILTERED.  FOUND AUXILIARY OIL FILTER INSTALLATION HOSES CROSSED REVERSING THE OIL FLOW THROUGH THE FILTER.  RECOMMEND ONE-TIME INSPECTION OF HOSE ROUTING ON SAME TYPE INSTALLATIONS.

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