# SDR 97ZZZX3072

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N321FL](https://openairdocs.org/aircraft/N321FL), registered now
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Aircraft serial: 421C0207
- System (JASC): [7921 · Engine Oil Cooler](https://openairdocs.org/jasc/7921)
- Part: Gasket
- Part number: 629116
- Condition: Torn
- Location: Oil Cooler
- Part time: 242 hours
- Stage of operation: IN
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX3072

## Discrepancy

AIRCRAFT CAME IN WITH RIGHT ENGINE LEAKING OIL.  FOUND LEAK BETWEEN OIL COOLER AND CASE.  WHEN COOLER PULLED AWAY FROM CASE, GASKET HAD A STRAIGHT LINE TEAR AND PART 'OF 1 SIDE OF GASKET ON CASE, OTHER ON COOLER.  THE REST OF THE GASKET HAD UNEVEN MARKS LIKE BEING TORN'  WHEN COOLER WAS REMOVED.

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