CSP−HMI−2
MD Helicopters, Inc
.
MAINTENANCE MANUAL
05−20−10
Page 1
Revision 39
Form HOE006 (04/06)
CONTINUED AIRWORTHINESS
300
−
HOUR INSPECTION CHECKLIST
1. 300
−
Hour Inspection
This check sheet is designed to be used when
performing scheduled inspections as defined
under FAR Part 91. This checklist, when
completed, should be kept as a permanent part
of the helicopter’s records. Adherence to
Maintenance Manual information is required,
and the manual should be consulted when
using the checklist.
NOTE:
D
The Chap/Sect column of the following
table is for reference unless a specific in-
spection requirement is called out. If
there is only two numbers in the column,
it refers to the Chapter. If there is three
numbers, it refers to the Section the in-
spection is found.
D
Refer to applicable Rolls−Royce engine in-
spection check list for required engine
maintenance.
Table 1. 300
−
Hour Inspection
Registration No.
Serial No.
Helicopter Hours
Model
Requirement
Chap/Sect Initial
EXTERIOR
ALL
Retorque tailboom attachment bolts.
53
500/600N Remove rotating cone and tip cap (500N) and inspect:
*
Cone rollers for condition and security.
*
Four fasteners that attach 500N3760
−
1 upper input shaft to the
stationary thruster for play (replace pins and collars if any play is found).
*
Three fasteners that attach 500N3759 support shaft assembly for play (if
play is found in top bolt, retorque to
10
−
15 inch
−
pounds (1.13
−
1.69 Nm)
.
Replace pins and collars if any play is found in bottom fasteners).
Reinstall rotating cone and tip cap (500N).
53
369D/E/FF Remove engine inlet bypass door and inspect:
*
.Latches, hinges and hardware for condition, wear and security.
*
.Cables, cable ends and pulleys for condition, corrosion and wear.
*
Remove and replace the latch retention cotter pin (located inside the
attach ”U” clamp) (Ref. Engine Air Inlet Bypass Door 300
−
Hour Inspection).
71
−
10
−
10
369D/E/FF Check horizontal and vertical stabilizer attach bolts for proper torque (Ref.
Horizontal Stabilizer Tip Plate Installation and Vertical Stabilizer Installation).
53
−
50
−
10
369D/E/FF Check lower surface of horizontal stabilizer for drain holes. Also check for
gaps between upper and lower doublers and stabilizer skin (Ref. Horizontal
Stabilizer and Tip Plates Inspection).
53
−
50
−
10
500/600N Control tubes and bellcranks in horizontal stabilizer for condition and security.
53
