TT-2025-0112 — OBC intermittent reboot during consist initialization
Category: Onboard (OBC) • Department: PTC
Assigned
Linked Asset: 71-456 (OBC)
Ticket Summary
Ticket ID
TT-2025-0112
Status
Assigned
Priority
High
Department
PTC
Category
Onboard (OBC)
Location
EMU 101
Linked Asset
Assignee
Jason Keller
Created
08/22/2025 09:12 AM
Description
Problem Statement
During consist initialization, the Onboard Computer (OBC) intermittently reboots, causing brief loss of HMI connectivity and delayed initialization.
Steps / Conditions
- Observed on EMU 101 during yard initialization
- Occurs 1–2 times per week; often after power cycle
- Happens before train departs service
Immediate Workaround
Perform controlled reboot and collect logs per procedure.
Activity & Comments
| Timestamp | User | Event |
|---|---|---|
| 08/22/2025 09:12 AM | John Stone | Ticket created; priority set to High; linked to Asset 71-456 |
| 08/22/2025 11:03 AM | Stephanie Sullivan | Assigned to Jason Keller; requested log collection |
| 08/23/2025 10:41 AM | Jason Keller | Added comment: "Captured pre-boot logs; forwarding to vendor" |
Links & Attachments
Related Change Requests, documents, and supporting files.
| Type | Reference |
|---|---|
| Change Request | CR-2025-0047 |
| Document | Firmware Update Procedure 2.3.1 |
| Attachment | OBC-PreBoot-Logs-20250823.zip |
| Attachment | EMU101-OBC-Reboot-Video.mp4 |