# SDR ARWA9807128

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N441J](https://openairdocs.org/aircraft/N441J), 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: 45988
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Buss Panel
- Part number: 50130003
- Condition: Failed
- Location: Cockpit
- Stage of operation: IN
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ARWA9807128

## Discrepancy

WHILE PERFORMING PRE-FLIGHT, COCKPIT FILLED WITH SMOKE.  POWER SHUT DOWN, PROBLEM FOUND TO BE, SHORTED BUSS PROTECTION PANEL AND ASSOCIATED WIRING.  REMOVED AND REPLACED BUSS PROTECTION PANEL AND BURNT WIRING SYSTEM; TESTED IAW MM 24-20-7.  FOUND NOTE: SWISPORT GPU NR 350 IN USE AT THE TIME OF PROBLEM FOUND OK, TO HAVE FLUCTUATING VOLTS AND FREQUENCY.

---
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.