Page 32 - Volume 12 Number 4

Technically...
RECENT SERVICE BULLETINS,
ADVISORY DIRECTIVES
AND SAFETY COMMUNICATIONS
From Beechcraft Service Letter # MTL-52-01
Date: February 21, 2018
Doors – Cabin Door Lock Inspection
Effectivity: King Air C90GTi, Serial Numbers LJ-2130 through LJ-2137; King Air B200GT, Serial Numbers BY- 259 through BY-277, BY-279 through BY-285; King Air B200CGT, Serial Number BZ-1; King Air B300C, Serial Numbers FM-67 through FM-69; and King Air B300, Serial Numbers FL-1063 through FL-1089.
Reason: Textron Aviation has received two reports that on the main entry door lock, the lockset became disengaged from the housing.
Description: This service document provides parts and instructions to inspect the main entry door lock to determine if the plunger has been ground to the point where looseness occurs between the housing and the lockset plunger.
Compliance – Recommended: This service document should be accomplished at a scheduled maintenance period or inspection.
A service document published by Textron Aviation may be recorded as completed in an aircraft log only when the following requirements are satis ed:
1) Themechanicmustcompletealloftheinstructions in the service document, including the intent therein.
2) The mechanic must correctly use and install all applicable parts supplied with the service document kit. Only with written authorization from Textron Aviation can substitute parts or rebuilt parts be used to replace new parts.
3) The mechanic or airplane owner must use the technical data in the service document only as
approved and published.
4) The mechanic or airplane owner must apply the information in the service document only to aircraft serial numbers iden- tified in the Effectivity section of the document.
5) The mechanic or airplane owner must use maintenance practices that are identi ed 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 document 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, unless the maintenance is accom- plished at a Textron Aviation- owned Service Center.
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