Continental Aerospace Technologies CSB673C Critical Service Bulletin

This Critical Service Bulletin addresses potential improperly lubricated roller bearings in S-1200 Series Magnetos and outlines inspection and corrective…

Continental Aerospace Technologies CSB673C Critical Service Bulletin - cover page
Brand
Continental Aerospace Technologies
Category
Other
Document type
Service Manual
Language
English
Pages
6
File format
PDF
File size
660 KB
Published
16 October, 2026
Updated
16 October, 2026
MD5 checksum
BE8C742EED3731A9DBF70E82992A5F38
PDF
Continental Aerospace Technologies CSB673C Critical Service Bulletin PDF

About this manual

This document is a Critical Service Bulletin (CSB673C) issued by Continental Aerospace Technologies regarding a potential issue with improperly lubricated roller bearings in S-1200 Series Magnetos. The bulletin identifies specific affected models and serial number ranges manufactured between May and November 2021. It details the risk of overheating and accelerated wear caused by the use of a light corrosion preventive lubricant instead of the specified translucent white grease.

What's inside

  • Purpose
  • Models Affected
  • Affected Serial Numbers
  • Corrective Action
  • Disassembly and Inspection
  • Assembly
  • Warranty
  • Allowances/Reimbursements

Specifications

Compliance TimeframeWithin 25 hours after the affected magne to(s) are placed in service
Affected Part Number10-400561
Affected Serial Number RangeF21EA057 to F21KA009R

Frequently asked questions

What is the compliance timeframe for this bulletin?

Inspection is required within 25 hours after the affected magnetos are placed in service.

How is compliance with this bulletin marked?

Compliance is marked by stamping a five-point star on the dataplate in the lower right corner.

Which roller bearing part number is affected?

The affected roller bearing has Part No. 10-400561.

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