| Action Date | Action Description |
|---|---|
| HPHC Historical Preservation No Effect | |
| Nov 18, 2015 | Maintenance Certification Request |
| Nov 18, 2015 | Administrative Review for Completeness |
| Nov 20, 2015 | Team Review for Completeness |
| Nov 20, 2015 | Application Accepted |
| Sep 28, 2017 | Engineering Report |
| Sep 28, 2017 | Maintenance Certification OTC |