# SDR 9705073221

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N321US](https://openairdocs.org/aircraft/N321US), registered now
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft serial: 262
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 321454
- Condition: Inoperative
- Location: Cabin
- Stage of operation: AP
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9705073221

## Discrepancy

DURING APPROACH AFTER THE LANDING GEAR WAS EXTENDED, THE OVERHEAD EMERGENCY EXIT SIGNS AT DOORS 1L AND 1R DID NOT ILLUMINATE.  MAINTENANCE REPLACED EPSU (1OWL).  OPERATIONAL CHECK OK.

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