# SDR 99ZZZX2275

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N421GF](https://openairdocs.org/aircraft/N421GF), registered now
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Aircraft serial: 421C1110
- Engine: Cont GTSIO520N
- System (JASC): [8500 · Engine (Reciprocating)](https://openairdocs.org/jasc/8500)
- Part: Crack
- Condition: Cracked
- Location: Engine
- Part time: 689 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/99ZZZX2275

## Discrepancy

PILOT REPORTED EXCESSIVE OIL LEAK ON RIGHT ENGINE   CAWLING PULLED AND 3 INCH - 4 INCH CRACK NOTED AT NR 5 CYLINDR BASE.   IDENTIDAL PROBLEM OCCURRED.

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