# SDR NACA200000011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2000
- Submitted: March 7, 2001
- Operation: Air carrier
- Aircraft: [N7780B](https://openairdocs.org/aircraft/N7780B), registered now
- Make and model: Doug DC-6A
- Registry model: [Doug DC-6A](https://openairdocs.org/model/douglas-dc-6a) (OpenAirDocs)
- Aircraft serial: 45372
- Aircraft time: 20,936 hours
- Engine: Pwa R2800CB3
- Engine time: 2,375 hours
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Condition: Cracked
- Location: Nr 2 Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: E, R
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA200000011

## Discrepancy

VIBRATION AND BMEP DROP ON NR 2 ENGINE AFTER REDUCTION TO BMEP.  REPLACED NR 17CYLINDER, NR 2 ENGINE DUE TO CRACKED HEAD.

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