# SDR AALA202009309026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2020
- Submitted: October 2, 2020
- Operation: Air carrier
- Aircraft: [N650AW](https://openairdocs.org/aircraft/N650AW), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 856
- Aircraft time: 74,964 hours, 29,154 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 321454
- Part serial: 513
- Condition: Inoperative
- 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/AALA202009309026

## Discrepancy

AIRCRAFT WAS GROUNDED.  EMERGENCY LIGHTS AT ROWS 9 AND 11 AND LOWER AREA LIGHTS AND EXTERNAL OVERWING LIGHTS INOPERATIVE.  REMOVED AND REPLACED POWER SUPPLY UNITS 10WL (AALA202009309026), 11WL (AALA202010019010), AND 12WL (AALA202010019011).  FOUND A POWER SUPPLY UNIT BAD FROM STOCK (AALA202010029002).  REMOVED AND REPLACED POWER SUPPLY UNIT THAT WAS BAD FROM STOCK.

---
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.