# Service bulletin D127 UPS1826\-1 \- 15APR26

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 11032350
- Published by NHTSA: 2026\-05\-06
- Manufacturer's number: D127 UPS1826\-1 \- 15APR26
- Manufacturer's date: 2026\-04\-15
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

The fuel tank wall thickness is too low around the Inlet Check Valve \(ICV\) weld area. Insufficient material thickness in this area may lead to fuel tank cracking during vehicle operation.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032350-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032350-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Vehicles listed

- 2026 LAND ROVER DEFENDER
- 2026 LAND ROVER DISCOVERY

JSON: [/v1/bulletins/11032350](/v1/bulletins/11032350)

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