CLASSIFICATION OF EMPENNAGE DAMAGE AND TYPES OF REPAIR continued

CLASSIFICATION OF EMPENNAGE DAMAGE AND TYPES OF REPAIR continued - TM-1-1520-238-23-2_463

CLASSIFICATION OF EMPENNAGE DAMAGE AND TYPES OF REPAIR continued - TM-1-1520-238-23-2_465

TM-1-1520-238-23-2 Helicopter Attack AH-64A Apache (NSN 1520-01-106-9519) (EIC: RHA) Manual
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TM 1-1520-238-23 2-373 2.103. CLASSIFICATION OF EMPENNAGE DAMAGE AND TYPES OF REPAIR – continued Category Action Limits b. Castings, Forgings A Less than 25 percent of cross section and less than 10 percent of thickness or 0.040 INCH depth. Repair corroded area (TM 1-1500-204-23). B Exceeds A. Replace. c. Fasteners, Bearings, and Bushings A Removable or allowed to remain without affecting size or function. Stabilator pivot bolts and self-alining bearings allowed discoloration below surface coating, surface pits, and/or scratches less than 0.005 INCH after polishing with cloth (item 50, App F) to remove roughness. (Surface coating must not be removed.) Repair (TM 1-1500-204-23). B Exceeds A. Replace. d. Covers A Not applicable. B Less than 10 percent of material thickness and less than 4.00 SQUARE-INCHES after clean up. Repair (TM 1-1500-204-23). C Exceeds B or repairs will affect function. Replace. e. Step assembly B Less than 10 percent of wall thickness or 25 percent of tube circumference in length or width after clean up. Repair (TM 1-1500-204-23). C Exceeds B. Replace. GO TO NEXT PAGE

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