# SDR UPS00434396

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 2, 2000
- Submitted: November 8, 2000
- Operation: Air carrier
- Aircraft: [N671UP](https://openairdocs.org/aircraft/N671UP), registered now
- Make and model: Boeing 747123
- Aircraft serial: 20323
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Harness
- Condition: Damaged
- Location: Cockpit
- Stage of operation: CR
- How discovered: O
- Nature of condition: G
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS00434396

## Discrepancy

INSPECTION TYPE:N/A, INS PWR RELAY NR 3 POPPED C/B. INS ASHU NR 3 POPPED C/B.  ALT INS NR 3 POPPED C/B.  NR 3 INS WARN LIGHT CAME ON.  NR 2 AFT AND NR 3 FWD BOOST PUMP C/B POPPED.  INSTRUMENT SWITCHING PROBLEM.     *S/D*  REPAIRED WIRE BUNDLE W84 AND REPLACED INU NR 2.  SYS OPS CK NORMAL.

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