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Service bulletin SIL 757

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 id10185105
Published by NHTSA2021-01-06
Manufacturer's numberSIL 757
Manufacturer's date2020-12-15
NHTSA componentEQUIPMENT; STRUCTURE

NHTSA's summary

Altec has discovered that the fiberglass upper boom on some affected units was manufactured incorrectly. This can affect the long-term reliability of the boom. Altec requires that each unit be inspected for proper upper boom dimensional specifications. If the upper boom does not pass the inspection, it must be replaced. The inspection and any required boom replacement must be completed no later than five years from the units manufacturing date.

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, Equipment and accessories

Vehicles listed
ALTEC ALTEC

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