# SDR SCNA97087

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N152SY](https://openairdocs.org/aircraft/N152SY), registered now
- Make and model: Doug DC-10-15
- Registry model: [Doug DC-10-15](https://openairdocs.org/model/mcdonnell-douglas-dc-10-15) (OpenAirDocs)
- Aircraft serial: 48289
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Speed Sensor
- Condition: Failed
- Location: Nr 1 Engine
- Stage of operation: TO
- Nature of condition: O
- Precautionary procedure: C, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA97087

## Discrepancy

N1 INDICATOR FAILED AND ENGINE FAIL LIGHT ILLUMINATED WHILE ADDING TAKEOFF POWER.  REMOVED AND REPLACED NUMBER 1 ENGINE FAN SPEED SENSOR AND TESTED IN ACCORDANCE WITH MM 77-11-01.  NO FURTHER DISCREPANCIES NOTED.

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