# SDR 95ZZZZ136

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N4206L
- Make and model: Doug DC-6A
- Registry model: [Doug DC-6A](https://openairdocs.org/model/douglas-dc-6a) (OpenAirDocs)
- Aircraft serial: 43709
- Engine: Pwa CB3
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder Head
- Part number: 327628
- Condition: Cracked
- Location: Nr 4 Engine
- Stage of operation: CR
- Nature of condition: E
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/95ZZZZ136

## Discrepancy

FLT 701 - SHUT DOWN NR 4 ENGINE DUE TO BACKFIRING AT 2358Z.  REPLACED NR 1 CYLINDER.  (Z)

---
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.
