# SDR 148571

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2003
- Submitted: April 22, 2003
- Operation: Air carrier
- Aircraft: [N146SD](https://openairdocs.org/aircraft/N146SD), registered now
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft serial: 146
- Aircraft time: 28,369 hours, 30,989 cycles
- System (JASC): [2497 · Electrical Power System Wiring](https://openairdocs.org/jasc/2497)
- Part: Wire
- Condition: Loose
- Location: Buss Terminal
- Stage of operation: TX
- How discovered: O
- Nature of condition: S
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/148571

## Discrepancy

ON TAXI OUT FOR FLIGHT 4553 PIT-FWA, EXPERIENCED LEFT AVIONICS BUS FAILURE.  RESET, CAME ON THEN BACK OFF WHEN TRANSMITTING.  PIT MAINTENANCE FOUND A LOOSE WIRE ON AVIONICS BUS TERMINAL SWITCH AND TIGHTENED THE TERMINAL.  OPS CHECK GOOD IAW SAAB 340 AMM 24-00-00.  THE FLIGHT WAS THEN MADE WITHOUT EVENT.

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