Bell 206L4 Maintenance Manual page 131

5-30. 1200-HOUR INSPECTION (CONT)
DATA REFERENCE
ECCN EAR99
SCHEDULED INSPECTIONS
INSPECTION TASK DESCRIPTION
TAILBOOM
This inspection is to be complied with every 1200
hours of tailboom operation after compliance with
ASB 206L-99-115, except as follows:
The inspection is not required for tailbooms
P/N 206-033-004-181/-199 and subsequent
P/N 206-704-727-101
P/N 206-074-727-103
P/N 206-707-727-105
All tailbooms upgraded
reidentified as an equivalent of 206-033-004-199.
1. Prepare tailboom assembly for inspection by removing the
following components:
a. Auxiliary fin assembly.
b. Slat assembly.
c. Stabilizer and support.
2. Gain access to inside of tailboom from right side. Using a
bright light, perform inspection of skin on inside surface of left
side of tailboom for cracks.
a. Inspect skin in area where doubler is attached.
b. Inspect each rivet location for signs of loose or working
rivets and for cracks that start at rivet holes.
3. Using a 10X magnifying glass, perform a visual inspection
of external left side of tailboom at doubler and skin around
doubler in the following areas:
a. Inspect internal edge of doubler for cracks.
b. Inspect support attachment holes for cracks.
c. Inspect each rivet location for loose or working rivets
and cracks that start from rivet holes.
NOTE
per PSE letter
25 FEB 2011 Rev. 13
BHT-206L4-MM-1
INITIAL
MECH OTHER
and
5-00-00
Page 95