# SDR HZZ2011F00000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2011
- Submitted: August 12, 2011
- Operation: Air carrier
- Aircraft: [N403JB](https://openairdocs.org/aircraft/N403JB), registered now
- Make and model: Doug DC-3C-R-1830-90C
- Registry model: [Doug DC-3C-R-1830-90C](https://openairdocs.org/model/douglas-dc-3c-r-1830-90c) (OpenAirDocs)
- Aircraft serial: 450940
- Engine: Pwa R183092
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Cylinder
- Part number: 114651CP
- Condition: Cracked
- Location: Nr 1 Engine
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HZZ2011F00000

## Discrepancy

ENGINE STARTED TO RUN ROUGH IN FLIGHT.  THE CAPT SHUTDOWN THE NR 1 ENGINE.  UPON INSPECTION ON THE GROUND, IT WAS FOUND THAT THE NR3 CYLINDER HAD CRACKED NEAR THE EXHAUST PORT.

---
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.
