| Present Location | Gloucs Warks |
| County Location | Gloucestershire |
| Designed For | BR |
| Build Location | Wolverton |
| Built by | BR |
| Diagram number | 89 |
| Lot number | 30690 |
| Type | TSO |
| First Number | 5023 |
| Later Numbers | S5023 |
| Present Number | M5023 |
| Current Livery | BR Maroon |
| Gauge | 4ft 8 1/2in |
| Wheel Arrangement | 4-w bogies |
| Original Underframe | Yes |
| Original Bogies/Wheelsets | Yes |
| Additional Notes | Design Code AC201. Riviera Trains set OC91 (based at Old Oak Common)(BR Southern Region green livery). In store at Old Oak Common until its closure. 04/13: purchased by Gloucestershire Warwickshire Railway. Refurbishment work on this carriage started by 05/14, completed 08/15. |
| Owner | Gloucestershire Warwickshire Railway |
| External Structural Condition | Very Good |
| Internal Structural Condition | Very Good |
| Underframe Condition | Very Good |
| External Finish | Very Good |
| Internal Finish | Very Good |
| Degree of External Originality | As built/last Passenger rebuild (BR or before) |
| Degree of Internal Originality | As built/last Passenger rebuild (BR or before) |
| Degree of Underframe/Running Gear Originality | As built/last Passenger rebuild (BR or before) |
| Degree of External Authenticity | Very Good |
| Degree of Internal Authenticity | Very Good |
| Degree of Underframe Authenticity | Very Good |
| Rarity | Many |
| Historical Importance | no Immediate Importance/Not Applicable |
| Storage | Secure Open |
| Operating | Yes |
| Survey Date | 04/03/2006 |
| Surveyor | Kevin Stroud |
| Photo Date | 27/07/2019 |
| Photo by | Robert Davidson |
| At Risk | No |
| Date Record Last Updated | 06/09/2019 |
