Extra 300/SC - Significant Items Inspection

MAINTENANCE MANUAL EXTRA 300/SC
CHAPTER 05
PAGE 27
PAGE DATE: 1. August 2014
05-20-05 Significant Items Inspection
Every 1000 flight hours the "Significant Items Inspection"
must be performed in addition to the 100-hour inspection.
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 20-10-06).
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 canti-
lever.
O 12 Inspect aileron cantilevers for cracks and deformations. Check for
proper surface protection.
Inspector:
Mechanic:
Inspections EXTRA 300/SC
Date:
Serial No.:
1000 hours
SCHEDULED MAINTENANCE CHECKS