Bulletin 54-088

Bulletin 54-088 is a regulatory document primarily recognized in the context of aviation safety, specifically as a Boeing Service Bulletin

BULLETIN 54-088

Summary: One-sentence distillation of the main message.
Background: Short context or events leading to the bulletin.
Findings/Changes: Bullet the principal findings, changes, or requirements (3–6 items). Use concise, actionable phrasing.
Risks/Impacts: Briefly list potential consequences if not followed.

Year-sequential: 54-088 might mean 1954, bulletin #88 — but that is very old and rarely digitized.
Agency code: e.g., 54 could be a department code, 088 a document number.

Bulletin 54-088

Will eventually become obsolete? The ASME committee has discussed integrating its data into a new, unified digital standard (tentatively called ASME PCC-4-2030). However, given that the committee meets only twice per year and the massive installed base of legacy equipment, experts predict the bulletin will remain in active use for at least another 20 years. bulletin 54-088

54-088

Alternatively, appears in heavy-duty truck parts catalogs as a partial part number for Haldex Air Valves (often written as 900-54-088 or 90054088 ). This is a 2-way height control valve used in air suspension systems to maintain proper ride height. Which of these The Freightliner repair procedure for electrical cables? The Haldex technical guide for a suspension air valve? Summary: One-sentence distillation of the main message

For further details or to see if your VIN is specifically affected, you can check official records on the NHTSA Service Bulletin Database parameter values or a step-by-step guide on how to update them in ServiceLink Non-Functioning Heated Headlamps - nhtsa Year-sequential : 54-088 might mean 1954, bulletin #88