# SDR 9703096635

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N635US
- Make and model: Boeing 747227B
- Aircraft serial: 221682
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Condition: Failed
- Location: Nr 2 Engine
- Stage of operation: TO
- Nature of condition: R
- Precautionary procedure: C, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9703096635

## Discrepancy

DURING TAKEOFF, THE NR 2 ENGINE DID NOT DEVELOP TAKEOFF POWER.  ABORTED TAKEOFF AND RETURNED TO THE GATE.  REPLACED THE NR 2 ENGINE HIGH STAGE BLEED VALVE AND HIGH STAGE CONTROL, OPERATIONAL CHECK GOOD.

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