# SDR USAA2012062500022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 23, 2012
- Submitted: June 25, 2012
- Operation: Air carrier
- Aircraft: [N538UW](https://openairdocs.org/aircraft/N538UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4050
- Aircraft time: 9,319 hours, 3,425 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Unknown
- Condition: Malfunctioned
- Location: Emergency Lights
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2012062500022

## Discrepancy

VARIOUS EMERGENCY AND OVERHEAD LIGHTS IN THE CABIN ARE RANDOMLY FLASHING ON INCLUDING 2L, 2R, 3L AND 3R EXIT LIGHTS.  ATTEMPTED A CIDS COMPUTER RESET PER QRH - NO HELP.  MAINTENANCE PERFORMED OPERATIONAL CHECK OF EMERGENCY LIGHTS IAW AIRBUS MAINTENANCE MANUAL 33-51-00-710-001A WITH NO FAULTS FOUND AND NO HISTORY.

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.