# SDR AALA201910259003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 24, 2019
- Submitted: October 25, 2019
- Operation: Air carrier
- Aircraft: [N760US](https://openairdocs.org/aircraft/N760US), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1354
- Aircraft time: 50,311 hours, 32,007 cycles
- System (JASC): [2400 · Electrical Power System](https://openairdocs.org/jasc/2400)
- Part: Contactor
- Part number: 503CA02F102Y1
- Condition: Failed
- Location: Emergency Power
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201910259003

## Discrepancy

AIRCRAFT WAS GROUNDED: MAINTENANCE REPORTS EMERGENCY GENERATION WILL NOT TEST (NO FREQ, NO VOLT). REMOVED AND REPLACED AC ESSENTIAL BUS SWITCHING CONTACTOR (3XC) IAW AMM 24-25-55. OPS CHECK GOOD.

---
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.