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Service bulletin 24-450

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10250394
Published by NHTSA2024-02-20
Manufacturer's number24-450
Manufacturer's date2024-02-16
NHTSA componentSTRUCTURE

NHTSA's summary

This is for advisory 24-450. It has been determined that Polycarbonate skylights used on Alpha Flex and Alpha Ply roof systems may crack. The remedy is to inspect the clear polycarbonate skylight on the Alpha Flex or Alpha Ply roof systems. Inspect the clear skylight for cracks and replace if cracks are found. CLOSING NOTICE - This Campaign ends July 31, 2024.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Body and frame

Vehicles listed
KEYSTONE BULLET2024
KEYSTONE PASSPORT2024

Listing a model year does not mean every vehicle of it is concerned: the document says which.