# SDR 2006FA0000520

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2005
- Submitted: May 22, 2006
- Operation: General aviation
- Aircraft: [N6822U](https://openairdocs.org/aircraft/N6822U), registered now
- Make and model: Cessna 414A
- Registry model: [Cessna 414A](https://openairdocs.org/model/cessna-414a) (OpenAirDocs)
- Aircraft serial: 414A0808
- Engine: Cont TSIO520NB
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: TISN712BCA221
- Part serial: 1801006183572
- Condition: Cracked
- Location: Engine
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2006FA0000520

## Discrepancy

418.6 HRS SINCE COMPLIANCE W19TH AD2004-08-10 ON ECI CYLINDERS.  LT ENG NR2 AND RT ENG NR 4 CYLINDERS FOUND CRACKED THROUGH FROM UPPER PLUG HOLE TO EXHAUST VALVE.  BOTH CYLINDERS HAVE IDENTICAL CRACKS ON RELATIVELY NEW HEADS.  (K)

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