Diamond Aircraft DV 20 E 2022, Airplane Maintenance Manual

Page: 102 / 903

AIRCRAFT
Time Limits and
Maintenance Checks
DV 20 E AMM
Inspection Items, Fuselage Initials
Page 4
15 Mar 2022
05-28-70
Doc # 4.02.25
Rev. 2
9. Perform a visual inspection and tap test of the elevator.
S
Examine the skin for delamination, cracks, dents and scratches.
S
Examine the paint for chips, scratches and UV damage.
S
Examine for damage to the foam core.
S
Examine for a disbond between the skin and the foam core.
10. Perform a visual inspection of the elevator hinges, attaching hardware
including the bronze bushings, and surrounding structure. Look especially for
damage and wear.
(5) Wings
Inspection Items, Wings Initials
1. Perform a visual inspection and tap test of the upper and lower wing skins.
Examine for damage to the core or a disbond between the skin and core.
2. Perform a visual inspection and tap test of the leading edge. Examine for
disbonds and cracks above or below the overlap seam.
3. Perform a visual inspection and tap test to examine the main spar bonding
with the wing skins.
4. Perform a visual inspection and tap test of the wing roots (in front and behind
the spar) to examine the bonding with the skins.
5. At the lower wing, remove the tie-down ring to check for damage to the hole.
Check for delamination, cracks and elongation of the hole.
6. Visually examine the internal ribs through the lower wing inspection panels.
S
Check for the condition of the laminate on the ribs.
S
Check for cracks and delamination around the bellcrank brackets and a
disbond between the bracket and rib.
S
Check the condition of the bellcrank brackets. Look especially for cracks,
elongation of the bellcrank mounting holes, corrosion and chipped paint.