# SDR 97UAL900539

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N392UA
- Make and model: Boeing 737322
- Aircraft serial: 24667
- Engine: Ge CFM56*
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Cdp Tube
- Condition: Loose
- Location: Nr 1 Engine
- Stage of operation: TO
- Nature of condition: J
- Precautionary procedure: C, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97UAL900539

## Discrepancy

ABORTED TAKEOFF AT APPROXIMATELY 140 KNOTS.  NR 1 ENG LOST POWER DURING TAKEOFF AND WAS UNRESPONSIVE TO THROTTLE.  EGT WAS NORMAL, PMC AND AUTO-THROTTLE WERE ON WITH NO LIGHTS.  THROTTLE RESPONSE WAS SLOWER THAN NR 2.  *S/D*  MAINTENANCE FOUND THE CDP B-NUT LOOSE AT THE COMPRESSOR CASE CONNECTION.  B-NUT WAS TIGHTENED AND SAFETIED, OPS CHECK GOOD.

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