ARMY TM 9-2815-259-24 AIR FORCE TO 38G1-125-2 MARINE CORPS 09249A/09246A-24 3-9 TABLE 3-2.  UNIT TROUBLESHOOTING (Sheet 6 of 11) OK   Not OK   OK   EXCESSIVE OIL CONSUMPTION Excessive oil consumption. Measure engine blowby (refer to Paragraph 3.7.2). Perform end item troubleshooting procedures (refer to TM 9-6115-671-14 or other applicabe TM). Visually inspect for external oil leaks. Notify next higher level of maintenance. Notify next higher level of maintenance. Not OK   Test for low engine compression   (refer to paragraph 3.7.1). Notify next higher level of maintenance. Notify next higher level of maintenance. OK   Not OK