Extra 300LT, Maintenance Manual

Page: 67 / 551

CHAPTER 5
PAGE 28
PAGE DATE: 24. February 2017
MAINTENANCE MANUAL EXTRA 300LT
05-20-05 Significant Items Inspection
Every 1000 flight hours the "Significant Items Inspection"
must be performed in addition to the 100-hour inspection.
It is recommended to replace all bolt connections, which are
affected by this inspection. A complete inspection kit
"EA300LT 1000 Std.Insp" is available from EXTRA.
Wing
O 1 Remove wing as per chapter 57.
O 2 Inspect main spar bolts and auxiliary spar bolts for wear, grooves,
dents and cracks.
O 3 Magnaflux or fluorescent dye-check of the wing main spar bolts by
authorized personnel is required.
O 4 Remove ailerons as per chapter 27.
O 5 Remove strobe/navigation lights as per chapter 33.
Leading edge
O 6 Detailed visual inspection on the surface for erosion, scratches,
stone nicks and impact damages.
O 7 Detailed visual inspection on the top to bottom shell bonding for
dents, cracks and delaminations.
Main spar section
O 8 Check skin to spar bonding for delaminations by coin tapping (refer
to chapter 20-10-05).
O 9 Detailed visual inspection on the sparweb for dents, cracks and
delaminations by visual inspection through wing access holes and
strobe/navigation light openings using a boroscope.
Auxiliary spar section
O 10 Check bonding skin/spar for delamination by coin tapping .
O 11 Detailed visual inspection on the aux. spar web for dents, cracks and
delaminations. Pay particular attention to the cutout for aileron
cantilever.
O 12 Inspect aileron cantilevers for cracks and deformations. Check for
proper surface protection.
Inspector:
Mechanic:
Inspections
Date:
Serial No.:
10
00
h
ou
rs
SCHEDULED MAINTENANCE CHECKS