This notification provides a brief summary of each AAR Circular Letter issued during the prior month. TrinityRail monitors these Circular Letters as they relate to or may impact TrinityRail’s fleet, its customers, its shop network and its manufacturing operations. Please click on the hyperlinks below to access the full circular. The circular number is hyperlinked to the TrinityRail QA Portal. Members of the portal will be able to open the Circular Letters and any attachments. Non-members will need to access the Circulars via their AAR Circular Subscriptions.
These Circular Letter – Quick Notes are intended to improve accessibility to the users and are not proof of revision to the AAR, MSRP’s, Office or Field Manuals per AAR MSRP-J M-1003 2.3.5.
C-13852
Subject: Implementation of Revised MSRP Section S, CASTING DETAILS, 2021
Date Issued: October 5, 2021
Date Effective: October 5, 2021
Group: Informational
Summary: The Coupling System and Truck Castings Committee is pleased to announce a new edition of the MSRP Section S, CASTING DETAILS.
CPC-1376
Subject: Implementation of Revisions to MSRP Section C-III, Specification for Tank Cars (M-1002), Chapter 1 and Appendix T (Docket T88.1-93)
Date Issued: October 5, 2021
Date Effective: January 1, 2022
Group: Manufacturer, Repair Shop
Summary: This is the final action on revisions to Chapter 1 & Appendix T. The revisions are identified by change bars in the margins.
C-13853
Subject: Implementation of Revisions to MSRP Section H-II,Roller Bearing Manual Standard S-723 Rule 3, Vented Backing Rings and Maintenance Specifications
Date Issued: October 5, 2021
Date Effective: October 5, 2021
Group: Manufacturer, Repair Shop
Summary: The purpose of this circular letter is to notify the industry of revisions to MSRP Section H-II, Roller Bearing Manual S-723 Rule 3. The attached revision includes updates to the bearing maintenance specifications.
C-13854
Subject: Registration Is Now Open for the April 2022 AAR Quality Assurance Auditor & Industry Conference
Date Issued: October 11, 2021
Date Effective: October 11, 2021
Group: Informational
Summary: The AAR QAC is pleased to announce the 34th Annual AAR QA Auditor & Industry Conference to be held April 12-14, 2022, in Fort Worth, Texas. The first two days of the conference include industry training presentations. The third day will consist of two separate sessions. One session will include QA workshops open to all attendees.
C-13855
Subject: Implementation of Revised MSRP Section H-II, Roller Bearing Manual, 2021
Date Issued: October 12, 2021
Date Effective: October 12, 2021
Group: Manufacturer, Repair Shop
Summary: The AAR Wheels, Axles, Bearings, & Lubrication Committee (WABL) is pleased to announce a new edition of the MSRP, Section H-II, Roller Bearing Manual.
C-13856
Subject: Solicitation of Comments to archive Figures 1-C, 23, 35, 36, 37, 37-A, 37-B, 38, 40, 40-A, 41, 42, 45, 46, 47, 47-A, 48, 49, 49-A, 49-B, 50, 51, 51-A, 52, 77, 240, and 241 – Section 3 of the AAR Open Top Loading Rules Manual (OTLR)
Date Issued: October 14, 2021
Date Effective: October 14, 2021
Group: Shipper
Summary: The purpose of this circular letter is to solicit comments to archive Figures 1-C, 23, 35, 36, 37, 37-A, 37-B, 38, 40, 40-A, 41, 42, 45, 46, 47, 47-A, 48, 49, 49-A, 49-B, 50, 51, 51-A, 52, 77, 240, and 241 – Section 3 of the OTLR Manual. The OTLR Committee believes these figures are no longer used for load preparation, so there is no value in retaining these figures in the OTLR Manual.
C-13857
Subject: Solicitation of comments to the industry requesting participation in the manufacturing and testing of Corner Protectors designed for Type 1A non-metallic strapping – General Rules Section 1 of the OTLR Manual
Date Issued: October 14, 2021
Date Effective: October 14, 2021
Group: Shipper
Summary: The OTLR Committee has created minimum requirements for design of corner protectors, currently listed in General Rule 19.4. The OTLR Committee is requesting any interested parties to participate in the manufacturing and testing of Corner Protectors designed for Type 1A non-metallic strapping. All designs or protypes will be tested in accordance with Section 1 General Rules 35 and 36.
C-13858
Subject: Informational: Request for participation from manufacturers of automated single car test (ASCT) devices
Date Issued: October 21, 2021
Date Effective: October 21, 2021
Group: Manufacturer
Summary: A taskforce formed under AAR’s Mechanical Committee is planning to hold a fact-finding meeting with interested organizations who are regularly established in the business of manufacturing & supplying ASCT devices for use in the North American rail industry, & who can competently speak to the topics listed below.
C-13859
Subject: Solicitation of Comments for Revisions to AAR Intermodal Interchange Rules, Preface, Appendix B, and Appendix F, Units Definition, Climate Controlled Unit Cages Correct Repair Procedures, and Why Made Code Update
Date Issued: October 21, 2021
Date Effective: October 21, 2021
Group: Informational
Summary: The purpose of this circular letter is to solicit comments for proposed revisions to AAR Intermodal Interchange Rules, Preface, App B, and App F. The Preface was updated to clarify the equipment included in the term “units”. App B was updated to add the correct repair procedures for cages that protect climate control units. App F Why Made Codes was updated to include the correct repairs for climate control unit cages and all Why Made Codes have been update to two digits.
C-13860
Subject: IMPLEMENTED. AAR MSRP, Section K-II Locomotive Electronics and Train Control System Architecture, Standard S-9103.V1.0.
Date Issued: October 25, 2021
Date Effective: January 1, 2022
Group: Locomotive
Summary: The purpose of Standard S-9103.V1.0 is to set forth the requirements for the PNM ICD. This standard specifies an industry-standard ICD that defines high precision navigation messages for PNMs on locomotives. The standard applies to all new PNM devices ordered after January 1, 2021.
C-13861
Subject: DRAFT S-9503.V3.0 – ITC Subdivision File Format is available for review & comment. In support of AAR’s MSRP – Section K-IV, Railway Data Management & Communications
Date Issued: October 28, 2021
Date Effective: October 28, 2021
Group: Locomotive
Summary: The Positive Train Control Interoperability Committee is publishing DRAFT Standard S-9503.V3.0 – ITC Subdivision File Format for review & comment.
C-13862
Subject: Implementation of Revisions to Figures 21-F, 83-A, 83-B, and 88-L – Section 6 of the AAR Open Top Loading Rules Manual (OTLR)
Date Issued: October 26, 2021
Date Effective: October 26, 2021
Group: Shipper
Summary: The AAR’s OTLR Committee has approved the following revisions to Section 6 OTLR manual for Figures 21-F, 83-A, 83-B, and 88-L.
C-13863
Subject: Implementation of Revision to Figure 1-D: Transformers on Flatcars – Section 3 of the AAR OTLR Manual
Date Issued: October 26, 2021
Date Effective: October 26, 2021
Group: Shipper
Summary: The AAR’s OTLR Committee has approved the following revision to Section 3 OTLR manual for Figure 1-D.
C-13864
Subject: Implementation of Revisions to General Rules 20, 22 and 42 – Section 1 of the AAR OTLR Manual
Date Issued: October 26, 2021
Date Effective: October 26, 2021
Group: Shipper
Summary: The AAR’s OTLR Committee has approved the following revisions to Section 1 OTLR manual for General Rules 20, 22 and 42.
C-13865
Subject: DRAFT S-9362.V2.0 – Interoperable Train Control (ITC) Wayside To Locomotive Interface Control Document (ICD) is available for review & comment. In support of MSRP – Section K-IV, Office Architecture & Railroad Electronics Messaging
Date Issued: October 28, 2021
Date Effective: October 28, 2021
Group: Locomotive
Summary: The PTCIC of the AAR is publishing DRAFT Standard S-9362.V2.0 – ITC Wayside To Locomotive ICD for review & comment.
C-13866
Subject: DRAFT S-9202.V2.0 – ITC Wayside Interface Unit Requirements is available for review & comment. In support of AAR’s MSRP – Section K-III, Wayside Electronics and Mobile Communications Architecture
Date Issued: October 28, 2021
Date Effective: October 28, 2021
Group: Locomotive
Summary: The PTCIC of the AAR is publishing DRAFT Standard S-9202.V2.0 – ITC Wayside Interface Unit Requirements for review & comment.
C-13867
Subject: Implementation of Revision to Figure 54-B: Lumber on Center A-Frame Flatcars – Section 5 of the AAR OTLR Manual
Date Issued: October 28, 2021
Date Effective: October 28, 2021
Group: Shipper
Summary: The AAR’s OTLR Committee has approved the following revision to Section 5 OTLR manual for Figure 54-B.
C-13868
Subject: Implementation of Revisions to Figures 29-B, 43-R, & 263 – Section 2 of the AAR OTLR Manual
Date Issued: October 28, 2021
Date Effective: October 28, 2021
Group: Shipper
Summary: The AAR’s OTLR Committee has approved the following revisions to Section 2 OTLR manual for Figures 29-B, 43-R, and 263.