# SDR TRBA20120607001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 2012
- Submitted: June 8, 2012
- Operation: Air carrier
- Aircraft: N342AT
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 345
- Aircraft time: 37,027 hours, 36,873 cycles
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Ground Wire
- Condition: Out Of Position
- Location: Emergency Light
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TRBA20120607001

## Discrepancy

THE CREW REPORTED THE EMERGENCY LIGHT STAYS ON WHEN THE SWITCH IS IN THE ARM POSITION.  THE ACFT WAS REMOVED FROM SERVICE.  REPOSITIONED GROUND CABLE AT POWER SUPPLY 72WL. THE OPS CHECK FOUND OK IAW MM 33-51-21. THE ACFT WAS RETURNED TO SERVICE.

---
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.
