# SDR 98ZZZX446

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N98437](https://openairdocs.org/aircraft/N98437), registered now
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Aircraft serial: 421C0040
- Engine: Cont GTSIO520D
- System (JASC): [8540 · Reciprocating Engine Rear Section](https://openairdocs.org/jasc/8540)
- Part: Gasket
- Part number: AN90028
- Condition: Failed
- Location: Oil Screen
- Stage of operation: CL
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX446

## Discrepancy

ON TAKEOFF, PILOT NOTICED OIL ON RT COWLING.  ACFT RETURNED AND LANDED WITHOUT INCIDENT.  MAINTENANCE FOUND AN900-28 GASKET AT OIL SCREEN COVER ADAPTER LEAKING.  GASKET WAS REPLACED AND ENGINE TEST RAN OK.

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