# SDR FDEA201001070028

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2010
- Submitted: January 8, 2010
- Operation: Air carrier
- Aircraft: N312FE
- 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: 48300
- Aircraft time: 53,939 hours, 17,037 cycles
- Engine: Ge CF650*
- System (JASC): [7700 · Engine Indicating System](https://openairdocs.org/jasc/7700)
- Part: Sensor
- Part number: 473271
- Part serial: SIM04830
- Condition: Malfunctioned
- Location: Nr 3 Engine
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201001070028

## Discrepancy

REJECTED TAKEOFF DUE TO ENGINE EXCEEDANCE, NR 3 N1 AT 131.7%.  EXCEEDANCE OCCURED WHILE INITIALLY SETTING  POWER FOR TAKEOFF. AIRSPEED <50 KNOTS. VIA 3 SHOWED NO EXCEEDANCES FOR NR 3 ENG.  REMOVED AND REPLACED NR 3 N1 FAN TACH PER MM 77-11-01-2 . RAN NR 3 ENG IAW JRH 7-35 ALL ENGINE INDICATIONS NORMAL N-1 OPERATED NORMAL. NO DEFECTS NOTED REF MM 77-11-01-2

---
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.