# SDR 97UAL900400

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N1816U
- Make and model: Doug DC-10-10
- Registry model: [Doug DC-10-10](https://openairdocs.org/model/mcdonnell-douglas-dc-10-10) (OpenAirDocs)
- Aircraft serial: 46615
- Engine: Ge CF66D
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Connector
- Condition: Loose
- Location: Nr 3 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/97UAL900400

## Discrepancy

ABORTED TAKEOFF DUE TO ERRATIC NR 3 ENGINE N1 OPERATION.  *S/D*  REPLACED THE NR 3 N1 INDICATOR, THE FAN SENSOR AND REPAIRED A LOOSE HARNESS CONNECTION AT A TERMINAL BLOCK.  THE PROBABLE CAUSE WAS THE INTERMITTENT WIRING DISCREPANCY.

---
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.
