# SDR 9707706634

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N634US](https://openairdocs.org/aircraft/N634US), registered now
- Make and model: Boeing 747227B
- Aircraft serial: 22234
- Engine: Pwa JT9D7Q
- System (JASC): [7711 · Engine Pressure Ratio (EPR)](https://openairdocs.org/jasc/7711)
- Part: Epr Indicator
- Part number: 80J290LWA2
- Condition: Malfunctioned
- Location: Nr 2 Engine
- Part time: 16,517 hours
- Stage of operation: TO
- Nature of condition: N
- Precautionary procedure: C, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9707706634

## Discrepancy

DURING TAKEOFF, THE NR 2 ENGINE EPR INDICATION LOW.  ABORTED TAKEOFF AT 80 KNOTS.  MAINTENANCE REPLACED EPR INDICATOR.

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