# SDR DHL2003802015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2003
- Submitted: January 6, 2004
- Operation: Air carrier
- Aircraft: [N802DH](https://openairdocs.org/aircraft/N802DH), registered now
- Make and model: Doug DC-8-73
- Registry model: [Doug DC-8-73](https://openairdocs.org/model/douglas-dc-8-73) (OpenAirDocs)
- Aircraft serial: 46076
- Engine: Cfmint CFM563C
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Condition: Malfunctioned
- Location: Engine
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL2003802015

## Discrepancy

ENGINE NR 3 AND 4 OVER PRESSURE LIGHTS ILLUMINATED AFTER BRAKE RELEASE DURING TAKEOFF ROLL.  RTO PERFORMED.  CONFERRED WITH MX AFTER LIGHTS EXTINGUISHED AND CONTINUED FLIGHT.   NOTED BY MX NO REJECTED T/O INSPECTION REQUIRED DUE TO ZERO AIRSPEED AND MINIMAL BRAKING.    PERFORMED THE NECESSARY TROUBLESHOOTING TO ISOLATE NR 3 AND NR 4 ENGINE OVERPRESSURE LIGHT ILLUMINATING AT TAKEOFF POWER.   NO FAULT FOUND PER WDM 36-3-2.  REMOVED AND REPLACED NR 4 BLEED AIR REGULATOR VALVE PER DC-8 M/M 36-12-1.  OPS CHECKED SERVICEABLE PER JRH 12.2 OF NR 3 AND 4 ENGINE.

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