TM 9-2320-209-34-1 CHAPTER 8 ENGINE SYSTEM TROUBLESHOOTING 8-1. EQUIPMENT ITEMS COVERED. This chapter gives equipment troubleshooting procedures for the engine system, for which there are authorized corrective main- tenance tasks at the direct support and general support maintenance level. 8-2. EQUIPMENT ITEMS NOT COVERED. All equipment items for which corrective maintenance is authorized at the direct support and general support maintenance level are covered in this chapter. 8-1