# SDR NACA20080008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 2008
- Submitted: May 14, 2008
- Operation: Air carrier
- Aircraft: [N2907F](https://openairdocs.org/aircraft/N2907F), registered now
- Make and model: Doug DC-6
- Registry model: [Doug DC-6](https://openairdocs.org/model/douglas-dc-6) (OpenAirDocs)
- Aircraft serial: 533265
- Aircraft time: 39,059 hours
- Engine: Pwa R2800CB3
- Engine time: 2,510 hours
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder Head
- Part number: 356993
- Part serial: S0707826
- Condition: Damaged
- Location: Nr 16
- Part time: 2,510 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: R
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA20080008

## Discrepancy

NR 1 ENGINE SHUT DOWN DUE TO BACKFIRING.  REMOVED AND REPLACED NR 16 CYLINDER DUE TO BLOWN HEAD, REF: NAC DC-6MM SECT V PG 16 AND 16A.  OP CHECKED GOOD.

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