Table of Contents
5-23.
300-HOUR AIRFRAME PROGRESSIVE INSPECTION — EVENT NO. 3
DATA REFERENCE
Chapter 11
Chapter 71
Chapter 53
Chapter 28
ECCN EAR99
PROGRESSIVE INSPECTIONS
INSPECTION TASK DESCRIPTION
DATE: __________________W.O. _____________________
FACILITY: _________________ _ ________________________
HELICOPTER S/N: __________ _ ________________________
REGISTRY NO.: ____________ _ ________________________
TOTAL TIME:_______________________________________
SIGNATURE:_______________ _ ________________________
ZONE 4 — POWER PLANT
PLACARDS AND MARKINGS
1.
Examine the placards, decals and markings. Ensure they
are readable, correctly applied and in agreement with the
applicable configuration of your helicopter.
AIRFRAME (POWER PLANT AREA)
1.
Examine firewalls for condition and security.
2.
Examine engine cowlings and doors for condition and
security. Using a bright light and mirror, inspect exposed upper
and lower edges of the joints between aluminium longerons and
titanium engine pan. Edge of sealant coating should be visible.
No indications of corrosion or cracks are acceptable.
3.
Examine engine pan area for evidence of loose fasteners
and damage. Restore cracked or missing sealant form engine
pan.
4.
Examine engine pan drains. Make sure that they are not
clogged.
5.
Examine airframe fuel filter assembly for evidence of
leakage and security.
BHT-206L4-MM-1
INITIAL
MECH
25 FEB 2011 Rev. 13
OTHER
5-00-00
Page 57
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