# SDR AALA2019120319012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2019
- Submitted: December 3, 2019
- Operation: Air carrier
- Aircraft: [N9029F](https://openairdocs.org/aircraft/N9029F), registered now
- Make and model: Airbus A319-115
- Registry model: [Airbus A319-115](https://openairdocs.org/model/airbus-a319-115) (OpenAirDocs)
- Aircraft serial: 6491
- Aircraft time: 14,533 hours, 6,413 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: No Test
- Location: Emergency Lights
- 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/AALA2019120319012

## Discrepancy

AIRCRAFT WAS GROUNDED: EMERGENCY LIGHTING OPERATIONS CHECK NORMAL, EMERGENCY POWER SUPPLY UNIT 10WL FORWARD LEFT FAILED BITE TEST PER MM 33-51-00. MAINTENANCE REPLACED  EMERGENCY POWER SUPPLY UNIT PER AMM 33-51-38-400-001.

---
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.
