# SDR LR7A2018021401313

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2018
- Submitted: February 16, 2018
- Operation: Air carrier
- Aircraft: [N401LC](https://openairdocs.org/aircraft/N401LC), registered now
- Make and model: Lkheed 382G
- Aircraft serial: 4606
- Aircraft time: 57,011 hours, 33,624 cycles
- System (JASC): [2424 · AC Regulator](https://openairdocs.org/jasc/2424)
- Part: Regulator
- Part number: 3S2060DR113A1
- Part serial: 6616214
- Condition: Smoke
- Location: Nr 2
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/LR7A2018021401313

## Discrepancy

DURING SCHEDULED FLIGHT, THE CREW NOTED SMOKE IN COCKPIT AND OBSERVED LIGHT SMOKE FROM THE NUMBER 2 VOLTAGE REGULATOR. ATM WAS STARTED AND NUMBER 2 GENERATOR CONTROL PANEL WAS REMOVED. NUMBER 2 VOLTAGE REGULATOR STOPPED SMOKING, WITH NO FURTHER DAMAGE NOTED.  SYSTEM CURRENTLY DEFERRED. TROUBLESHOOTING IN PROGRESS. WILL UPDATE SDR WITH FINAL DISPOSITION WHEN KNOWN.

---
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.
