# SDR 9609206632

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N632US
- Make and model: Boeing 747251B
- Aircraft serial: 23112
- Engine: Pwa JT9D7R4G2
- System (JASC): [7711 · Engine Pressure Ratio (EPR)](https://openairdocs.org/jasc/7711)
- Part: Connector
- Condition: Dirty
- Location: Nr 1 Epr
- 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/9609206632

## Discrepancy

DURING TAKEOFF ROLLOUT, THE NR 1 EPR AND N1 FAILED TO INCREASE.  TAKEOFF WAS ABORTED AND AIRCRAFT RETURNED TO GATE.  MAINTENANCE CLEANED CANNON PLUG D15J AND PERFORMED RUN-UP CHECK. CHECK WAS NORMAL AND AIRCRAFT WAS APPROVED FOR SERVICE.

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