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TABLE OF CONTENTS
Page - Foreword................................................................................................................................................................................................................................................................................................................................................................................................
iii I Synopsis................................................................................................................................................................................................................................................................................................................................................................................................1 II Facts................................................................................................................................................................................................................................................................................................................................................................................................1 A. Location of Accident................................................................................................................................................................................................................................................................................................................................................................................................1 B. Method of Operation................................................................................................................................................................................................................................................................................................................................................................................................3 C. Description of Locomotive Unit 4031................................................................................................................................................................................................................................................................................................................................................................................................3 1. Power Plant................................................................................................................................................................................................................................................................................................................................................................................................6 2. Locomotive controls................................................................................................................................................................................................................................................................................................................................................................................................6 3. Steam Heat Generator................................................................................................................................................................................................................................................................................................................................................................................................8 4 Wheel-Slip Protection Device................................................................................................................................................................................................................................................................................................................................................................................................8 D. Operation of Locomotive Unit 4031 Prior to the Accident................................................................................................................................................................................................................................................................................................................................................................................................8 E. Description of the Accident................................................................................................................................................................................................................................................................................................................................................................................................9 1. The Train................................................................................................................................................................................................................................................................................................................................................................................................9: 2. Description of the Passenger Cars................................................................................................................................................................................................................................................................................................................................................................................................9 3. Operation of the Train Between Chicago and the Point of Accident................................................................................................................................................................................................................................................................................................................................................................................................10 4. Derailment of the Train................................................................................................................................................................................................................................................................................................................................................................................................10 5. Position of the Locomotive and Cars................................................................................................................................................................................................................................................................................................................................................................................................11 F. Results of the Accident................................................................................................................................................................................................................................................................................................................................................................................................11 1. Damage to the Locomotive and Cars................................................................................................................................................................................................................................................................................................................................................................................................11 2. Casualties................................................................................................................................................................................................................................................................................................................................................................................................11 G. Post Accident Activities................................................................................................................................................................................................................................................................................................................................................................................................11 H. Examination of Locomotive Unit 4031................................................................................................................................................................................................................................................................................................................................................................................................14 1. At the Scene of the Accident................................................................................................................................................................................................................................................................................................................................................................................................14 2. Inspection of the Track................................................................................................................................................................................................................................................................................................................................................................................................14 3. Later Examination of Unit 4031................................................................................................................................................................................................................................................................................................................................................................................................16 4. Examination of Unit 4031 at ICRR Shops in Paducah, Kentucky................................................................................................................................................................................................................................................................................................................................................................................................16 5. Examination of the Armature Bearings................................................................................................................................................................................................................................................................................................................................................................................................16 I. History of the Traction Motor................................................................................................................................................................................................................................................................................................................................................................................................20 J. The Chandeysson Electric Company................................................................................................................................................................................................................................................................................................................................................................................................20 K. Applicable Instruction and Regulations for Locomotive Maintenance................................................................................................................................................................................................................................................................................................................................................................................................21 III. Analysis................................................................................................................................................................................................................................................................................................................................................................................................22 A. The Derailment of Train No. 1................................................................................................................................................................................................................................................................................................................................................................................................22 B. The Failure of the Armature Bearings................................................................................................................................................................................................................................................................................................................................................................................................22
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