# SDR FDEA201205171828

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2012
- Submitted: May 18, 2012
- Operation: Air carrier
- Aircraft: [N307FE](https://openairdocs.org/aircraft/N307FE), registered now
- Make and model: Doug MD-10-30F
- Registry model: [Doug MD-10-30F](https://openairdocs.org/model/mcdonnell-douglas-md-10-30f) (OpenAirDocs)
- Aircraft serial: 48291
- Aircraft time: 63,188 hours, 20,184 cycles
- Engine: Ge CF650*
- Engine time: 66,485 hours, 18,564 cycles
- System (JASC): [7410 · Ignition Power Supply](https://openairdocs.org/jasc/7410)
- Part: Override Switch
- Part number: 5D0108219
- Condition: Inoperative
- Location: Engine Ignition
- Part time: 63,188 hours, 20,184 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: Y, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201205171828

## Discrepancy

DURING TEST FLIGHT AT FL250, SHUTDOWN NR 1 ENGINE AND ATTEMPTED MULTIPILE RESTARTS WHICH FAILED, DESCENDED TO 14,000 FT AND ATTEMPTED RESTARTS NOT AVAIL.   RETURNED TO DEPARTURE WITH NR 1 ENGINE INOPERATIVE.  FOUND ENGINE IGNITION OVERRIDE SWITCH INOP, REPLACED SWITCH S1-9170 IAW SWPM 20-20-02. ENGINE IGNITION AUDIBLE CHECKS GOOD IAW M/M 74-10-01-2.

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