From Beechcraft Service Letter # MTB-24-01

From Beechcraft Service Letter # MTB-24-01

Electrical Power – Enhanced Clearance for Pedestal Wire Harnesses

Date: December 6, 2018


King Air 90 (applicable variants within defined LJ serial range), LJ-1 thru LJ-2146;

King Air E90, LW-1 thru LW-347;

King Air F90, LA-2 thru LA-236;

Super King Air B200GT, BY-1 thru BY-312;

Super King Air B200CGT, BZ-1;

Super King Air B300C, FM-1 thru FM-75, FN-1;

Super King Air B300, FL-1 thru FL-1030;

Super King Air 300, FA-1 thru FA-230, FF-1 thru FF-19;

King Air 100 and A100, B-1 thru B-94, B-100 thru B-204, B-206 thru B-247;

Super King Air 200/B200, BB-2, BB-6 thru BB-185, BB-187 thru BB-202, BB-204 thru BB-269, BB-271 thru BB-407, BB-409 thru BB-468, BB-470 thru BB-488, BB-490 thru BB-509, BB-511 thru BB-529, BB-531 thru BB-550, BB-552 thru BB-562, BB-564 thru BB-572, BB-574 thru BB-590, BB-592 thru BB-608, BB-610 thru BB-626, BB-628 thru BB-646, BB-648 thru BB-664, BB-666 thru BB-694, BB-696 thru BB-797, BB-799 thru BB-822, BB-824 thru BB-870, BB-872 thru BB-894, BB-896 thru BB-990, BB-992 thru BB-1051, BB-1053 thru BB-1092, BB-1094, BB-1095, BB-1099 thru BB-1104, BB-1106 thru BB-1116, BB-1118 thru BB-1184, BB-1186 thru BB-1263, BB-1265 thru BB-1288, BB-1290 thru BB-1300, BB-1302 thru BB-1384, BB-1389 thru BB-1425, BB-1427 thru BB-1447, BB-1449, BB-1450, BB-1452, BB-1453, BB-1455, BB-1456, BB-1458 thru BB-1683, BB-1685 thru BB-1716, BB-1718 thru BB-1720, BB-1722, BB-1723, BB-1725, BB-1726, BB-1728 thru BB-2021;

Super King Air 200C/B200C, BL-1 thru BL-23, BL-25 thru BL-57, BL-61 thru BL-72, BL-124 thru BL-170;

Super King Air 200CT/B200CT, BN-1 thru BN-4;

Super King Air 200T/B200T, BT-1 thru BT-38;

B100, BE-1 thru BE-137;

A100 (U-21F), B-95 thru B-99;

A100-1 (U-21J), BB-3 thru BB-5;

A200 (C-12A/C-12C), BC-1 thru BC-75, BD-1 thru BD-30;A200C (UC-12B), BJ-1 thru BJ-66;

A200CT (C-12D, FWC-12D, C-12F), BP-1, BP-7 thru BP-11, BP-19, BP-22, BP-24 thru BP-71;

A200CT (RC-12D, RC-12H), GR-1 thru GR-12, GR-14 thru GR-19;

A200CT (RC-12G), FC-1 thru FC-3;

A200CT (RC-12K, RC-12P, RC-120), FE-1 thru FE-9, FE-25 thru FE-36;

B200C (C-12F), BP-64 thru BP-71, BL-73 thru BL-112, BL-118thru BL-123;

B200C (UC-12F), BU-1 thru BU-12;

B200C (UC-12M), BV-1 thru BV-12;

B200C (C-12R), BW-1 thru BW-29.

Reason: New anchors in the pedestal provide enhanced clearance for wire harnesses.

Compliance – OPTIONAL: This service document can be accomplished at the discretion of the owner.

A service document published by Textron Aviation may be recorded as completed in an aircraft log only when the following requirements are satisfied:

The mechanic must complete all of the instructions in the service document, including the intent therein.

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.

The mechanic or airplane owner must use the tech-nical data in the service document only as approved and published.

The mechanic or airplane owner must apply the information in the service document only to aircraft serial numbers identified in the Effectivity section of the document.

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 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 accomplished at a Textron Aviation-owned Service Center.

The above information may be abbreviated for space purposes. For the entire document, go to

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