# SDR CCJA20180905004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 2018
- Submitted: May 4, 2022
- Operation: Air carrier
- Aircraft: [N414WJ](https://openairdocs.org/aircraft/N414WJ), registered now
- Make and model: Cessna 414A
- Registry model: [Cessna 414A](https://openairdocs.org/model/cessna-414a) (OpenAirDocs)
- Aircraft serial: 414A0477
- Aircraft time: 3,452 hours
- Engine: Cont TSIO520NB
- Engine time: 4,222 hours
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder Head
- Part number: AEC65385
- Part serial: 6568804
- 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/CCJA20180905004

## Discrepancy

FOUND #1 (S/N: 65688-04), #3 (S/N: 65976-01), #4 (S/N: 65937-18), #5 (S/N: 66237-24) AND #6 (S/N: 65025-20) CYLINDERS CRACKED AT CYLINDER HEAD ON LEFT ENGINE DURING 100 HOUR INSPECTION.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.