RR-05 RR-05-01-03 — Locomotive Running Repair & Servicing
This process involves the running repair and servicing of locomotives to ensure they are in optimal condition for operation on the US Class I freight railroad network.
🗺 BPMN Process Flow
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📋 Process Attributes
| Process ID | RR-05-01-03 |
|---|---|
| Domain Family | OPERATIONS |
| L1 Domain | Mechanical & Rolling Stock |
| L2 Process Group | Locomotive Running Repair & Servicing |
| Trigger | Detection of a locomotive fault through wayside defect detectors or routine maintenance checks. |
| Outcome | A fully repaired and serviced locomotive ready for return to service, ensuring safety and reliability. |
| Systems | Wayside defect detector network Umler NetControl PS Technology (PST) TRAIN II EHMS (Equipment Health Management System) I-ETMS (Interoperable Electronic Train Management System) |
| Regulatory Hooks | 49 CFR Part 232 49 CFR Part 215 49 CFR Part 229 |
📋 L4 Process Steps
| Step | Name | Role | System | Input | Output | KPI | Pain Point / Risk | Decision? | Exception? |
|---|---|---|---|---|---|---|---|---|---|
| 1.1 | Fault Detection | Service Operator | Wayside defect detector network | Hot bearing / wheel impact / acoustic data | Defect report | Time to detect fault under 10 minutes | False positives from wayside detectors | N | Y |
| 1.2 | Initial Assessment | Electrician (locomotive) | Umler | Defect report | Assessment report | Time to complete assessment under 30 minutes | Inadequate diagnostic tools | Y | N |
| 1.3 | Prioritization | Manager-Locomotive Maintenance | NetControl | Assessment report | Priority list | Time to prioritize under 2 hours | Resource allocation challenges | Y | N |
| 1.4 | Work Order Creation | Manager-Locomotive Maintenance | PS Technology (PST) | Priority list | Work order | Time to create work order under 1 hour | System downtime | N | Y |
| 1.5 | Parts Ordering | Manager-Mechanical Maintenance | TRAIN II | Work order | Parts list | Time to order parts under 4 hours | Supply chain disruptions | Y | N |
| 1.6 | Locomotive Repair | Machinist | Wabtec Modular Control Architecture | Parts list | Repaired locomotive | Repair time under 8 hours | Complex repair procedures | Y | Y |
| 1.7 | Quality Check | Electrician (locomotive) | EHMS (Equipment Health Management System) | Repaired locomotive | Quality check report | Time to complete quality check under 2 hours | Inconsistent quality standards | Y | N |
| 1.8 | Final Inspection | Manager-Locomotive Maintenance | I-ETMS (Interoperable Electronic Train Management System) | Quality check report | Inspection report | Time to complete final inspection under 1 hour | Human error in inspections | N | Y |
| 1.9 | Return to Service | Train Dispatcher | NetControl | Inspection report | Service readiness notification | Time to return locomotive to service under 4 hours | Scheduling conflicts | Y | N |
| 1.10 | Post-Service Monitoring | Senior Manager-Mechanical Engineering | EHMS (Equipment Health Management System) | Service readiness notification | Monitoring report | Time to complete post-service monitoring under 24 hours | Data accuracy issues | Y | Y |
| 1.11 | Feedback Loop | Senior Director-System Locomotive Facility | Umler | Monitoring report | Improvement plan | Time to complete feedback loop under 7 days | Lack of actionable insights | Y | N |
| 1.12 | Continuous Improvement | Service Design / Network Planning Analyst | NetControl (service design use) | Improvement plan | Updated service design | Time to implement improvements under 30 days | Resistance to change | N | Y |
📊 KPIs & Risk Register
KPIs
Time to detect fault under 10 minutes Time to complete assessment under 30 minutes Time to prioritize under 2 hours Time to create work order under 1 hour Time to order parts under 4 hours Repair time under 8 hours Time to complete quality check under 2 hours Time to complete final inspection under 1 hour Time to return locomotive to service under 4 hours Time to complete post-service monitoring under 24 hours
Key Risks
Air brake test defect released to the road Supply chain disruptions Complex repair procedures Human error in inspections Scheduling conflicts Data accuracy issues Resistance to change
Swim Lanes
Service Operator · 1.1, 1.4 Electrician (locomotive) · 1.2, 1.6, 1.7 Manager-Locomotive Maintenance · 1.3, 1.8, 1.9 Manager-Mechanical Maintenance · 1.5 Train Dispatcher · 1.9 Senior Manager-Mechanical Engineering · 1.10 Service Design / Network Planning Analyst · 1.12