# SDR NI6R201409050018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 2014
- Submitted: September 8, 2014
- Operation: General aviation
- Filed by: [Neptune Aviation Services Inc, repair station NI6R011N](https://openairdocs.org/faa-repair-station/NI6R011N/neptune-aviation-services-inc.md) (OpenAirDocs)
- Aircraft: [N410NA](https://openairdocs.org/aircraft/N410NA), registered now
- Make and model: Lkheed P2V5F
- Aircraft serial: 131482
- Aircraft time: 8,172 hours, 1,675 cycles
- Engine: Wright R3350*
- Engine time: 4,061 hours
- System (JASC): [8500 · Engine (Reciprocating)](https://openairdocs.org/jasc/8500)
- Part: Engine
- Condition: Malfunctioned
- Location: Nr 2
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NI6R201409050018

## Discrepancy

DURING A POST INSPECTION FCF, IN CRUISE FLIGHT, THE NR 2 RADIAL ENGINE BACKFIRED WITH A CORRESPONDING FUEL FLOW FLUCTUATION INDICATED.  ENGINE WAS SHUTDOWN AND AN IFE DECLARED.  ACFT LANDED UNEVENTFULLY.

---
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.