# SDR ARWA20020811

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 31, 2002
- Submitted: September 5, 2002
- Operation: Air carrier
- Aircraft: [N661AV](https://openairdocs.org/aircraft/N661AV), registered now
- Make and model: Doug DC-8-63F
- Registry model: [Doug DC-8-63F](https://openairdocs.org/model/mcdonnell-douglas-dc-8-63f) (OpenAirDocs)
- Aircraft serial: 45969
- Aircraft time: 85,270 hours, 27,835 cycles
- Engine: Pwa JT3D7
- Engine time: 64,283 hours, 21,314 cycles
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Part number: 563883
- Part serial: 6155209
- Condition: Malfunctioned
- Location: Nr 3 Engine
- Part time: 64,283 hours, 21,314 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ARWA20020811

## Discrepancy

WHILE SPOOLING ENGINES FOR TAKEOFF, NR 3 ENGINE MADE A LOUD NOISE AT 1.1 EPR 80 PERCENT N2 BLEEDS OFF.  REMOVED AND REPLACED PRESSURE RATIO BLEED CONTROL IAW DC-8 MM 75-30-0.  CHECKED ENGINE RUN UP NORMAL IAW 71-00.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.