# SDR 249TR0105

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2005
- Submitted: April 1, 2005
- Operation: Air carrier
- Aircraft: N249TR
- Make and model: Boeing 737-2K5
- Registry model: [Boeing 737-2K5](https://openairdocs.org/model/boeing-737-2k5) (OpenAirDocs)
- Aircraft serial: 22598
- Aircraft time: 47,267 hours, 27,437 cycles
- Engine: Pwa JT8D15A
- Engine time: 35,707 hours, 26,589 cycles
- System (JASC): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: Indicator
- Part number: 10619911
- Condition: Malfunctioned
- Location: N1 Tach
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/249TR0105

## Discrepancy

RIGHT ENGINE N1 GAUGE WENT TO 80 PERCENT AND STOPPED.  ABORTED TAKEOFF PRIOR TO 60 KNOTS.  MINIMUM BREAKING APPLIED.  REPLACED N1 TACH AND OPS CHECKED PER MM 77-12-0 AND 31-00-11.

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