# SDR PLGA000729

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2000
- Submitted: October 5, 2000
- Operation: Air carrier
- Aircraft: [N741BA](https://openairdocs.org/aircraft/N741BA), registered now
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft serial: 340A090
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Relay
- Part number: MS2774318
- Condition: Failed
- Location: Lt Main Buss
- Stage of operation: CR
- How discovered: O
- Nature of condition: H, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/PLGA000729

## Discrepancy

BGR - FLT 4662 - BOS-YHZ, DURING FLIGHT, THE LEFT MAIN BUSS LIGHT ILLUMINATED IN FLIGHT.  THE AIRCRAFT DIVERTED INTO BGR AND LANDED WITHOUT INCIDENT.  MAINTENANCE FOUND THE LEFT BUSS RELAY 67PC TO BE AT FAULT.  AFTER REPLACING THE RELAY, AND PERFORMING ALL REQUIRED CHECKS.  THE AIRCRAFT WAS RETURNED TO SERVICE.  (M)

---
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.
