Page 33 - Volume 11 Number 4

Textron Aviation is not responsible for the quality of maintenance performed to comply with this document, unless the maintenance is accomplished at a Textron Aviation Authorized Service Center.
Reason: Fusion equipped King Airs experiencing heading errors on their ESIS displays can relocate the ESIS magnetometer from the canted bulkhead to the aft end of the tailcone, per field service kit 434-3013-0001.
This new location will provide enhanced accuracy for the ESIS system.
Description: This service bulletin provides parts and instructions to install field service kit 434-3013- 0001. This kit should be installed if magnetometer is located under the panel as defined in step one of the Accomplishment Instructions.
Issued: March 2017
Effectivity: Super King Air B200GT, Serial Numbers BY-122, BY-128 thru BY-278 with Raisbeck Engineering Ram Air Recovery System (STC SA3366NM) installed.
The equivalent of this service bulletin has been incorporated on production airplanes BY-279 and On for the brush issue and BY-222 and On for the remainder of issues.
Compliance – Recommended: This service bulletin should be accomplished within the next 200 flight hours or 12 months, whichever occurs first.
A service bulletin published by Textron Aviation may be recorded as “completed” in an aircraft log only when the following requirements are satisfied:
Service Bulletin 30-4166: Ice and Rain Protection – Air Intake – Ram Air Recovery System
1) 2)
3)
4)
Themechanicmustcompletealloftheinstructions in the service bulletin, including the intent therein.
The mechanic or airplane owner must use the technical data in the service bulletin only as approved and published.
The mechanic or airplane owner must apply the information in the service bulletin only to aircraft serial numbers identified in the Effectivity section of the bulletin.
The mechanic or airplane owner must use maintenance practices that are identified as acceptable standard practices in the aviation industry and governmental regulations.
No individual or corporate organization other than Textron Aviation is authorized to make or apply any changes to a Textron Aviation-issued service bulletin, service letter, or flight manual supplement without prior written consent from Textron Aviation.
Textron Aviation is not responsible for the quality of maintenance performed to comply with this document,
APRIL 2017
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KING AIR MAGAZINE • 31