BHT-212-MM-1
5-00-00
26 JUN 2013 Rev. 14 Page 37
Export Classification C, ECCN EAR99
Inspection is not applicable to helicopter S/N 30790
and subsequent and helicopters modified in
accordance with TB 212-76-12.
1. Clean area around fuel vent line hole with MEK (C-309) or
equivalent and remove finish from beam cap.
2. Inspect each beam cap for hairline cracks using a bright
light. Inspect inboard side of left and right main beams around
fuel vent line that goes through cap extrusion at FS 131.00,
WK 21.50, and BL 14.00. Pay particular attention to first high
shear rivet hole above WL 22.00 at FS 129.00 (Figure 5-2,
Detail A and Detail B).
3. Apply clear lacquer over cleaned area.
Chapter 62 MAIN ROTOR BLADE INSPECTION SYSTEM (BIS)
— Inspect
BHT-212-CR&O
and Chapter 96
1. Test detector unit.
2. Perform continuity check on blade conductor circuits.
3. Remove BIS battery.
4. Perform battery condition check on replacement battery.
Install replacement battery.
Chapter 62 MAIN ROTOR BLADES
1. Wash main rotor blades with mild soap and water. Rinse
and dry thoroughly.
— Detailed Visual Inspection
2. Main rotor blades upper and lower surfaces for condition of
bond lines, doublers, and leading edge for erosion. Inspect
blade surfaces for corrosion, cracks, damage, and voids.
5-9. 100 HOURS/12 CALENDAR MONTHS — PART A (CONT)
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
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