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. Circular letters may be viewed in their entirety by accessing the fee-based circular letter library from the Transportation Technology Center Inc. (TTCI) at https://www.aar.org/publications/.
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 M-1003 2.3.5.
C-13765
Subject: IMPLEMENTED. MSRP, Section K-IV Office Architecture & Railroad Electronics Messaging, Standard S-9371.V3.0
Date Issued: April 5, 2021
Date Effective: April 5, 2021
Group: Locomotive
Summary: Standard S-9371.V3.0 contains the messages passed between a PTC onboard segment & an Energy Management (EM) system that operates on a locomotive. The PTC onboard segment connects to EM as an EMP client, & EM acts as an EMP server.
C-13766
Subject: Implementation of Revisions to MSRP Section H, JOURNAL BEARINGS AND LUBRICATION, M-934 and S-703: Bearing Placement Requirement, Inner Ring (Cone) Marking, and Freight Cap Screws
Date Issued: April 5, 2021
Date Effective: April 5, 2021
Group: Manufacturer
Summary: The purpose of this circular letter is to notify the industry of revisions to MSRP Section H, JOURNAL BEARINGS AND LUBRICATION, with changes to M-934 and S-703, updating the bearing placement requirement during conditional approval, and removing all non-interchange cap screws from the table.
C-13767
Subject: Implementation of Revisions to Figures 124-A, 124-B, and 124-C – Section 2 of the OTLR Manual
Date Issued: April 5, 2021
Date Effective: April 5, 2021
Group: Shipper
Summary: The OTLR Committee has approved the following revisions to Section 2 OTLR Manual for Figures 124-A, 124-B, and 124-C.
C-13768
Subject: Implementation of Revisions to Figures 14, 43-C, and 109 – Section 2 of the OTLR Manual
Date Issued: April 7, 2021
Date Effective: April 7, 2021
Group: Shipper
Summary: The OTLR Committee has approved the following revisions to Section 2 OTLR Manual for Figures 14, 43-C, and 109.
C-13769
Subject: Implementation of Revisions to Figures 9-B, 9-D, and 9-F – Section 2 of the OTLR Manual
Date Issued: April 7, 2021
Date Effective: April 7, 2021
Group: Shipper
Summary: The OTLR Committee has approved the following revisions to Section 2 OTLR Manual for Figures 9-B, 9-D, and 9-F.
C-13770
Subject: Implementation of Revisions to Figures 54 and 54-B – Section 5 of the OTLR Manual
Date Issued: April 7, 2021
Date Effective: April 7, 2021
Group: Shipper
Summary: The OTLR Committee has approved the following revisions to Section 5 OTLR Manual for Figures 54 and 54-B.
C-13771
Subject: Implementation of Revisions to Figures 54 and 54-B – Section 5 of the OTLR Manual
Date Issued: April 8, 2021
Date Effective: April 8, 2021
Group: Locomotive
Summary: The Equipment Health Monitoring Committee, jointly with the Wheels, Axles, Bearings & Lubrication Committee is releasing this circular to solicit comments on the proposed additions to the subject section within MSRP, Section F – Sensors.
C-13772
Subject: Correction to Office Manual Price Matrices Retroactive to January 1, 2020
Date Issued: April 9, 2021
Date Effective: January 1, 2020
Group: Car Owner, Repair Shop
Summary: The purpose of this Circular Letter is to authorize counter billing related to incorrect scrap credits listed in Job Code 2055 – Coupler Knuckle, E50AEV or E50BEV. Since January 2020, Applied Job Code 2055, Condition Code 1 coupled with Removed Job Code 2054 failed to provide the proper scrap credit for the removed knuckle.
C-13773
Subject: Solicitation of Comments: Revisions to MSRP F, Sensors, S-920, Component
Identification Bar Code Standard – Sections 12 (Axle Labels) & 13 (Bearing Labels)
Date Issued: April 12, 2021
Date Effective: April 12, 2021
Group: Manufacturer
Summary: Wheel, Axle, Bearings & Lubrication (WABL) recently advanced modifications to the subject sections to add elements for axle dust guards & seal wear rings in the component identification labelling. The Component Tracking Task Force, Equipment Health Monitoring Committee & WABL have approved these proposed modifications.
C-13774
Subject: Implementation of Revision to the title of Section 7 of the Open Top Loading Rules Manual (OTLR)
Date Issued: April 13, 2021
Date Effective: April 13, 2021
Group: Shipper
Summary: The OTLR Committee has approved the following revision to the title of Section 7 OTLR Manual:
•LR 12.GEN.30 – Added the verbiage, ‘For Use on TOFC/COFC Equipment in Intermodal
Service Only’. The new title after this addition will be “Section 7: Rules for Loading All Commodities on Open Top Trailers and Containers for Rail Transport – For Use on TOFC/COFC Equipment in Intermodal Service Only.”
C-13775
Subject: Solicitation of comments from the industry on Figure 120: PIPE, CONDUIT, or TUBING, STEEL, 1/2 in. to 9 in. O.D., 10 ft to 45 ft LONG, BUNDLED – BULKHEAD FLATCARS, with CUSHIONING DEVICES – Section 2 of the OTLR Manual
Date Issued: April 13, 2021
Date Effective: April 13, 2021
Group: Shipper
Summary: The OTLR Committee is considering the following changes to Fig. 120 of Section 2 OTLR Manual: Item D – Chock Blocks, Item G – Tie-down bands, Change Note # 2
C-13776
Subject: Solicitation of comments from the industry requesting shipper input on Figure 22-D: BARS, STRUCTURAL SHAPES, STEEL, LOOSE OR PACKAGED, SINGLE OR MULTIPLE
PILES—GONDOLAS – Section 2 of the OTLR Manual
Date Issued: April 13, 2021
Date Effective: April 13, 2021
Group: Shipper
Summary: The OTLR Committee requests load configuration input for both 52.5 ft. and 66 ft. interior length gondolas – Figure 22-D of Section 2 OTLR manual. The committee is requesting minimum and maximum lengths of billets, in gondolas, shipped by rail. Carriers have experienced longitudinal load shifts causing end-to-end or side-to-side load imbalances and damage to railcars.
C-13777
Subject: Implementation of Revisions to General Rules 19, 21, 22, and Appendix D – Section 1 of the OTLR Manual
Date Issued: April 13, 2021
Date Effective: April 13, 2021
Group: Shipper
Summary: The OTLR Committee has approved the following revisions to Section 1 OTLR manual for General Rules 19, 21, 22 and Appendix D.
C-13778
Subject: Solicitation for Comments – Revision to MSRP Section N, Standard S-810, Field Impact & Over-the-Road Tests of Multi-Level Tie-Down Equipment & Methods
Date Issued: April 13, 2021
Date Effective: April 13, 2021
Group: Car Owner, Manufacturer, Shipper
Summary: The Specially Equipped Freight Car Committee has proposed a revision to Standard S-810, Section 6.1 that will add a minimum criteria for over the road testing of bi-level securement systems to include vehicles that weight a minimum of 5,500lbs.
C-13779
Subject: Solicitation for Comments – Revision to MSRP Section N, Specification M-991, Vehicle Door Edge Protection Systems for Multi-Level Auto Rack Cars
Date Issued: April 13, 2021
Date Effective: April 13, 2021
Group: Manufacturer, Shipper
Summary: The Specially Equipped Freight Car Committee has proposed a revision to Specification M-991, Section 5 that will add a Validation section to the Specification. This addition will ensure the correct placement of door edge protection for current model vehicles that are being shipped on multi-level auto racks.
C-13780
Subject: Notice of Implementation of Circular No. 42-O, General Rules Governing the Loading of Carload Shipments of Commodities in Closed Cars (DP&FC)
Date Issued: April 21, 2021
Date Effective: May 20, 2021
Group: Shipper
Summary: The AAR’s Damage Prevention & Freight Claim Committee (DP&FC) has approved changes to Circular No. 42-N, General Rules Governing the Loading of Carload Shipments of Commodities in Closed Cars.
C-13781
Subject: IMPLEMENTED: MSRP Section K-IV Office Architecture and Railroad Electronics Messaging, Standard S-9378.V1.0
Date Issued: April 22, 2021
Date Effective: April 22, 2021
Group: Locomotive
Summary: Standard S-9378.V.1.0 contains the SOAP over HTTPS messages exchanged between railroads’ ticketing systems. The requirements for ITCTM are contained with MSRP Section K-I, Standard S-9058, “Interoperable Train Control Ticket Management Requirements and Use Cases”, with the use cases and data flow.
C-13782
Subject: Implementation of Revisions to Figures 141, 142, 200, 202, 203, and 204 – Section 3 of the OTLR Manual
Date Issued: April 27, 2021
Date Effective: April 27, 2021
Group: Shipper
Summary: The OTLR Committee has approved the following revisions to Section 3 OTLR Manual for Figures 141, 142, 200, 202, 203, and 204.
C-13783
Subject: Implementation of Revisions to Figures 55, 55-A, 55-D, 66, and 76-A – Section 3 of the OTLR Manual
Date Issued: April 27, 2021
Date Effective: April 27, 2021
Group: Shipper
Summary: The OTLR Committee has approved the following revisions to Section 3 OTLR Manual for Figures 55, 55-A, 55-D, 66, and 76-A.
C-13784
Subject: Implementation of Revisions to Figures 1-B, 1-D, 15, 31 and 53 – Section 3 of the OTLR Manual
Date Issued: April 27, 2021
Date Effective: April 27, 2021
Group: Shipper
Summary: The OTLR Committee has approved the following revisions to Section 3 OTLR Manual for Figures 1-B, 1-D, 15, 31 and 53.
C-13785
Subject: Implementation of Revised MSRP Section H, Journal Bearings & Lubrication, 2021
Date Issued: April 29, 2021
Date Effective: April 29, 2021
Group: Manufacturer, Repair Shop
Summary: The Wheels, Axles, Bearings, & Lubrication Committee (WABL) is pleased to announce a new edition of the MSRP, Section H, Journal Bearings & Lubrication. Since the last book printing issued in July 2016, WABL has issued revisions through several Circular Letters.
C-13786
Subject: Implementation of Revisions to Figures 300, 300-A, 301, 302, 420, 421, and 422 – Section 3 of the OTLR Manual
Date Issued: April 29, 2021
Date Effective: April 29, 2021
Group: Shipper
Summary: The OTLR Committee has approved the following revisions to Section 3 OTLR Manual for Figures 300, 300-A, 301, 302, 420, 421, and 422.
C-13787
Subject: Implementation of Revisions to Figures 246, 247, 248, 250, 251, and 260 – Section 3 of the OTLR Manual
Date Issued: April 29, 2021
Date Effective: April 29, 2021
Group: Shipper
Summary: The OTLR Committee has approved the following revisions to Section 3 OTLR Manual for Figures 246, 247, 248, 250, 251, and 260.
C-13788
Subject: Implementation of Revisions to Figures 205, 206, 206-A, 210, 230, and 239 – Section 3 of the OTLR Manual
Date Issued: April 29, 2021
Date Effective: April 29, 2021
Group: Shipper
Summary: The OTLR Committee has approved the following revisions to Section 3 OTLR Manual for Figures 205, 206, 206-A, 210, 230, and 239.