IO-240 Series Engine Installation & Operation Manual
1-3
31 October 2011
Introduction
1-2. Publications
1-2.1. Service Documents
Continental Motors may issue Service Documents in one of six categories ranging from mandatory
(Category 1) to informational (Category 6). Definitions of the categories are listed below:
NOTE: Upon FAA approval, Continental Motors publishes service
documents for immediate availability on our web site. The service
document cover page indicates the engine models affected by the service
document. Service documents may alter or replace manufacturer’s ICAs.
Insert a copy of applicable Service Documents in affected manuals until
the service document instructions are incorporated in the manual, or the
service document is cancelled or superseded.
1Procedure
Category 1: Mandatory Service Bulletin (MSB)
Used to identify and correct a known or suspected safety hazard which has been incorporated in whole or in
part into an Airworthiness Directive (AD) issued by the FAA or have been issued at the direction of the FAA
by the manufacturer requiring compliance with an already-issued AD (or an equivalent issued by another
country’s airworthiness authority). May contain updates to Instructions for Continued Airworthiness (ICAs)
to address a safety issue.
Category 2: Critical Service Bulletin (CSB)
This category identifies a condition that threatens continued safe operation of an aircraft, persons or property
on the ground unless some specific action (inspection, repair, replacement, etc.) is taken by the owner or
operator. Documents in this category are candidates for incorporation into an FAA Airworthiness Directive.
May contain updates to ICAs to address a safety issue.
Category 3: Service Bulletin (SB)
Information which the product manufacturer believes may improve the inherent safety of an aircraft or
aircraft component; this category includes the most recent updates to ICAs.
Category 4: Service Information Directive (SID)
The manufacturer directs the owner/operator/mechanic in the use of a product to enhance safety,
maintenance or economy. May contain updates to ICAs in the form of maintenance procedures or
specifications.
Category 5: Service Information Letter (SIL)
This category includes all information (not included in categories 1 through 4) that may be useful to the
owner/operator/technician. May contain updates to ICAs for optional component installations, which are not
covered in the Applicable Operator, Maintenance, or Overhaul Manuals.
Category 6: Special Service Instruction (SSI)
This category is used to address an issue limited to specific model and/or serial number engines. We will
distribute SSI notification directly to the affected engine’s owners.
SSIs will not be
included in the general
service document set but will be made available through our Customer Service Department to owners of the
affected engines only. An SSI may update the applicable engine’s Instructions for Continued Airworthiness.
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