# SDR NACA20010019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 2001
- Submitted: May 4, 2001
- Operation: Air carrier
- Aircraft: [N43872](https://openairdocs.org/aircraft/N43872), registered now
- Make and model: Doug DC-6A
- Registry model: [Doug DC-6A](https://openairdocs.org/model/douglas-dc-6a) (OpenAirDocs)
- Aircraft serial: 533294
- Aircraft time: 62,286 hours
- Engine: Pwa R2800CB3
- Engine time: 72 hours
- System (JASC): [7411 · Low Tension Coil](https://openairdocs.org/jasc/7411)
- Part: Coil
- Part number: 10553991C
- Condition: Shorted
- Location: Nr 5 Cylinder
- Component: Engine, Pwa, CB3
- Component part number: R2800
- Stage of operation: CR
- How discovered: O
- Nature of condition: R
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA20010019

## Discrepancy

NR 1 ENGINE SHUTDOWN AT 2224Z DUE TO 1 BACKFIRE AND LOW COMPRESSION PATTERN ON CYLINDER NR 5.  REPLACED NR 5 CYLINDER COIL, CHECKED PLUGS, LEADS, AND Y-LEAD (ALL GOOD).  NORMAL ANALYZER ON RUNNUP, COMPRESSION CHECK 70/80.

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