# SDR ARWA9807127

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N802BN
- Make and model: Doug DC-8-62
- Registry model: [Doug DC-8-62](https://openairdocs.org/model/mcdonnell-douglas-dc-8-62) (OpenAirDocs)
- Aircraft serial: 45909
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Cooling Valve
- Condition: Miswired
- Location: Radio Rack
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ARWA9807127

## Discrepancy

AIRCRAFT CABIN ALT AT 9000 AND CLIMBING WITH 3 T/C'S OPERATING AT 31,000 FOUND RADIO RACK COOLING VALVE OPEN WHEN AIRBORNE.  CORRECTED WIRING AT RELAY R2-64, OPS NORMAL IAW MM 21-50-0.  PRESSURIZATION NORMAL ON RUN-UP IAW MM 21-30-0.

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