# SDR TRBA2011052

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2011
- Submitted: May 13, 2011
- Operation: Air carrier
- Aircraft: [N270AT](https://openairdocs.org/aircraft/N270AT), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 270
- Aircraft time: 33,821 hours, 39,400 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 3012000
- Condition: Failed
- Location: Emergency Lights
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TRBA2011052

## Discrepancy

AFT RT EXTERIOR EMERGENCY LIGHT INOP.  R & R POWER SUPPLY FIN 73WL IAW JIC 33-51-21. OPT FOUND GOOD IAW W/C EX-335000-10000-001.

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