|
CONDITION:
The affected models are now being manufactured as "oil filled" propellers.
To provide improved lubrication and corrosion protection, as well as a
built-in means of crack detection, modification to the "oil filled" configuration
is necessary for existing propellers in the field.
CORRECTION:
Modification to "oil filled" configuration will be accomplished per Service
Manual 710930 & Service Letter 1993-11.
NOTE: McCauley requests to be notified
of any cracks found during compliance with
this service bulletin.
Product Support Department
McCauley Accessory Division
3535 McCauley Drive
P.O. Box 430
Vandalia, OH 45377-0430
Telephone (513) 890-5246 ext. 235
Telefax (513) 890-6001
COMPLIANCE:
Any propeller hub model that does not have the compliance indicator listed
below in Table 1 shall be modified in accordance with the following compliance
schedule:
|
PROPELLER HUB MODEL
|
COMPLIANCE SCHEDULE |
| Greater than 900 hours/59 calendar months
since last overhauled/inspected or installed new; or prior history
unknown |
Within the next 200 hours, or at the next annual inspection,
or within twelve (12) calendar months after receipt of this Service
Bulletin, whichever occurs first. |
| Less than or equal to 900 hours/59 calendarmonths
since last overhauled/inspected or installed new |
Prior to the accumulation of 1200 hours/ 60 calendar
months, whichever occurs first |
NOTE: Once this service bulletin has been complied with, it is no
longer necessary to perform the inspections required in Service Bulletin
200B.
Table 1. Models Affected
|
|
Compliance Indicator |
3AF32C72
3AF34C74
3AF32C75
3AF34C86
3AF32C87
D3AF32C87
3AF34C92
3AF32C93
|
3AF32C72-( )R and oil fill plug in side of hub
3AF34C74-( )R and oil fill plug in side of hub
3AF32C75-( )R and oil fill plug in side of hub 3AF34C86-( )R
and oil fill plug in side of hub
3AF32C87-( )R and oil fill plug in side of hub
D3AF32C87-( )R and oil fill plug in side of hub
3AF34C92-( )R and oil fill plug in side of hub
3AF32C93-( )R and oil fill plug in side of hub |
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