Textron Aviation Multi-Engine Service Bulletin MEB-27-02: Revision 1, text

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Multi - engine SER VICE

BULLETIN MEB - 27 - 02

REVISION

TRANSMITT AL This sheet transmits Revision 1 to MEB - 27 - 02 , which:

Makes changes within the Accomplishment Instructions Section to provide additional details.

Adds additional hardware to the Material Information Section for alternate bolt grip length and washers for correct cotter pin alignment.

NOTE:

This revision replaces the original issue of MEB - 27 - 02 in it's entirety .

REVISION

COMPLIANCE NO EFFECT .

Airplanes previously modified by this service bulletin are not af fected by this revision.

LOG OF

REVISIONS Original Issue February 29 , 2016 Revision 1 June 15 , 2016 Original Issue - February 29 , 2016 MEB - 27 - 02 Revision 1 - June 15 , 2016 Page 1 of 1 T extron A viation Customer Service , P .O.

Box 7706 , Wichita , KS 67277 , U.S.A.

1 - 316 - 517 - 5800

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Multi - engine SER VICE

BULLETIN MEB - 27 - 02 TITLE FLIGHT

CONTROLS - ELEV A T OR TRIM - T AB PUSH - PULL TUBE HARDW ARE

REPLACEMENT

EFFECTIVITY The following Cessna Aircraft Models (all serial numbers):

310 thru 310R , E310H , E310J , 310J - 1 , T310P thru T310R 320 thru 320F , 320 - 1 335 340 , 340A 401 thru 401B 402 thru 402C 41 1 , 41 1A 414 , 414A 421 thru 421C REASON T o replace the hardware securing the elevator trim tab push - pull tube to the elevator trim tab actuator and the elevator trim tab horn.

DESCRIPTION This service bulletin provides instructions to replace the hardware connecting the elevator trim tab push - pull tube to the elevator trim actuator and elevator trim tab.

COMPLIANCE MANDA T OR Y .

This service bulletin must be accomplished at the next 100 - hour or 12 - month (annual - type) inspection , whichever occurs first.

NOTE:

A general visual inspection for correct installation and security of the elevator trim tab push - pull tube connecting hardware and an inspection for tab deflection (free play) shall be completed during each subsequent 100 - hour or 12 - month (annual) type inspection after the accomplishment of this service bulletin.

The general visual inspection should check all elevator trim actuator and elevator trim tab horn to push - pull tube connection hardware for condition , corrosion , cracking , security , cotter pin installation for proper safety , and the elevator and elevator trim system for uninterrupted , proper operation through the full travel of the elevator and elevator trim tab surfaces (pitch up / pitch down and nose up / nose down trim respectively).

Perform the elevator trim tab deflection (free play) check per the applicable maintenance or service manual.

A service bulletin published by Cessna Aircraft Company may be recorded as "completed" in an aircraft log only when the following requirements are satisfied:

1) The mechanic must complete all of the instructions in the service bulletin , including the intent therein.

2) The mechanic must correctly use and install all applicable parts supplied with the service bulletin kit.

Only with written authorization from Cessna Aircraft Company can substitute parts or rebuilt parts be used to replace new parts.

Original Issue - February 29 , 2016 MEB - 27 - 02 Revision 1 - June 15 , 2016 Page 1 of 8 T extron A viation Customer Service , P .O.

Box 7706 , Wichita , KS 67277 , U.S.A.

1 - 316 - 517 - 5800 This document contains technical data and is subject to U.S.

export regulations.

This information has been exported from the United States in accordance with export administration regulations.

Diversion contrary to U.S.

law is prohibited.

ECCN:

9E991

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MEB - 27 - 02 Page 2 Revision 1 - June 15 , 2016 Multi - engine SER VICE

BULLETIN MEB - 27 - 02

3) The mechanic or airplane owner must use the technical data in the service bulletin only as approved and published.

4) The mechanic or airplane owner must apply the information in the service bulletin only to aircraft serial numbers identified in the "Ef fectivity" section of the bulletin.

5) 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 Cessna Aircraft Company is authorized to make or apply any changes to a Cessna - issued service bulletin , service letter , or flight manual supplement without prior written consent from Cessna Aircraft Company .

APPROV AL Cessna received F AA approval for the technical data in this publication that changes the airplane type design.

WEIGHT AND

BALANCE

INFORMA TION Negligible

REFERENCES F AA Advisory Circular AC43.13 - 1B Applicable Cessna Model Maintenance or Service Manual

PUBLICA TIONS

AFFECTED Applicable Cessna Model Illustrated Parts Catalog

ACCOMPLISHMENT

INSTRUCTIONS

Prepare the airplane for maintenance.

Make sure that the airplane is electrically grounded.

Make sure that all switches are in the OFF / NORM position.

Disconnect electrical power from the airplane.

(1) Disconnect the airplane battery .

(2) Disconnect external electrical power .

Attach maintenance warning tags to the control columns and elevator trim wheel that have "DO NOT MOVE ELEV A T OR TRIM T AB

MAINTENANCE IN PROGRESS" written on them.

(Refer to Figure 1 , Sheet 1 and Sheet

2.)

Get access to the connecting hardware for the elevator trim tab actuator rod end to push - pull tube and the push - pull tube to elevator trim tab horn.

(Refer to Figure 1 , Sheet 1 and Sheet

2.)

Remove the nut , washer and bolt from the elevator trim tab actuator to push - pull tube connection.

Discard the removed hardware.

CAUTION:

Use of the correct cotter pin , part number MS24665 - 132 , is critical in this installation.

Use of a different cotter pin could result in the hardware becoming loose.

Cotter pins must not be reused.

NOTE:

Any fit problems may be correctable by cleaning out the debris in the internal hole surface of the bearing and / or the clevis or by replacement of the rod or bearing if corrosion or damage dictates the parts cannot be used as is.

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Multi - engine SER VICE

BULLETIN MEB - 27 - 02

(Refer to Figure 1 , Sheet 1 and Sheet

2.)

Install the NAS464P3 - 8 Bolt , NAS1 149F0332P W asher , MS17826 - 3 Nut and MS24665 - 132 Cotter Pin in the elevator trim tab actuator rod end to push - pull tube connection as follows:

NOTE:

The bolt grip length may be adjusted to the next longer grip length (NAS464P3 -

9) to permit proper installation of the castellated nut and cotter pin.

This may require extra washers (NAS1 149F0316P and / or NAS1 149F0332P) for proper alignment of the castellated nut cotter pin slot and the cotter pin hole in the bolt.

NOTE:

It is permissible to substitute the NAS464P3 - X bolt with a NAS6203 - X bolt.

(Refer to Figure 1 , Sheet 1 and Sheet

2.)

Install the NAS464P3 - 8 Bolt in the elevator trim tab actuator rod end to push - pull tube connection in the orientation

(i.e.

, bolt head inboard or outboard) which yields the greatest clearance with the spar web cut - out and any other structures.

NOTE:

It is permissible to substitute the NAS464P3 - X bolt with a NAS6203 - X bolt.

Install the NAS1 149F0332P W asher and MS17826 - 3 Nut onto the NAS464P3 - 8 Bolt.

T orque the MS17826 - 3 Nut 12 Inch - Pounds , if a castellation of the nut does not align with the cotter pin hole in the bolt , continue tightening to the next alignment position up to 20 Inch - Pounds.

Make sure a minimum of one full bolt thread is protruding from the castellated nut.

Install the MS24665 - 132 Cotter Pin.

(Refer to Figure 1 , Sheet 1 and Sheet

2.)

Remove the nut , washer and bolt from the elevator trim actuator push - pull tube to elevator trim tab horn.

Discard the removed hardware.

CAUTION:

Use of the correct cotter pin , part number MS24665 - 132 , is critical in this installation.

Use of a different cotter pin could result in the hardware becoming loose.

Cotter pins must not be reused.

NOTE:

(Refer to Figure 1 , Sheet 1 and Sheet

2.)

Install the NAS464P3 - 8 Bolt , NAS1 149F0332P W asher , MS17826 - 3 Nut and MS24665 - 132 Cotter Pin in the elevator trim tab actuator push - pull tube to elevator trim tab horn connection as follows:

NOTE:

The bolt grip length may be adjusted to the next longer grip length (NAS464P3 -

9) to permit proper installation of the castellated nut and cotter pin.

This may require extra washers (NAS1 149F0316P and / or NAS1 149F0332P) for proper alignment of the castellated nut cotter pin slot and the cotter pin hole in the bolt.

NOTE:

It is permissible to substitute the NAS464P3 - X bolt with a NAS6203 - X bolt.

(Refer to Figure 1 , Sheet 1 and Sheet

2.)

Install the NAS464P3 - 8 Bolt in the push - pull tube to elevator trim tab horn.

NOTE:

It is permissible to substitute the NAS464P3 - X bolt with a NAS6203 - X bolt.

Install the NAS1 149F0332P W asher and MS17826 - 3 Nut onto the NAS464P3 - 8 Bolt.

Make sure a minimum of one full bolt thread is protruding from the castellated nut.

Install the MS24665 - 132 Cotter Pin.

Check the elevator and elevator trim system for uninterrupted , proper operation through the full travel of the elevator and elevator tim tab surfaces (pitch up / pitch down and nose up / nose down respectively).

MEB - 27 - 02 Revision 1 - June 15 , 2016 Page 3

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MEB - 27 - 02 Page 4 Revision 1 - June 15 , 2016 Multi - engine SER VICE

BULLETIN MEB - 27 - 02 W ARNING:

If there is any increased friction or interference felt during full yoke travel from full pitch up through full pitch down , and full elevator trim travel from full nose up through full nose down do not proceed any further until the source of the interference or increased friction has been determined and resolved.

Make sure the elevator trim tab deflection (free - play) is within the limits specified in the applicable Maintenance or Service Manual and adjust as necessary .

(Refer to the applicable Maintenance or Service Manual.)

Make sure the elevator trim tab rigging is within the limits specified in the applicable Service / Maintenance Manual and adjust as necessary .

(Refer to the applicable Maintenance or Service Manual.)

10.

Operate the elevator trim tab through the full travel of nose up and nose down and while the elevator trim tab and elevator are moving , do a general visual inspection that there is no interference between any of the areas that follow:

• between the elevator trim tab actuator rod end to elevator trim tab actuator push - pull tube bolt head and the elevator spar web material

• between the elevator trim tab horn to elevator trim tab actuator push - pull tube bolt head or nut and the cutout in the lower elevator skin

• between any other connection hardware and the elevator spar web material

• between any other connection hardware and the cutout in the spar web

• between any other connection hardware and the cutout in the elevator skin

• between any moveable parts and other potential interference A.

If there is not suf ficient clearance or if there is interference at the elevator front spar web , record the orientation of the elevator trim tab actuator rod end to elevator trim tab actuator push - pull tube bolt head and other connection hardware.

(1) (Refer to Figure 1 , Sheet 1 and Sheet

2.)

Disconnect the elevator trim tab actuator rod end to elevator trim tab actuator push - pull tube connecting hardware.

(a) Discard the cotter pin.

(2) (Refer to Figure 1 , Sheet 1 and Sheet

2.)

Install the NAS464P3 - 8 Bolt in the elevator trim tab actuator rod end to push - pull tube connection in the orientation opposite to how it was removed.

NOTE:

It is permissible to substitute the NAS464P3 - X bolt with a NAS6203 - X bolt.

(3) (Refer to Figure 1 , Sheet 1 and Sheet

2.)

Install the previously removed W asher(s) and MS17826 - 3 Nut onto the NAS464P3 - 8 Bolt.

(4) T orque the MS17826 - 3 Nut 12 Inch - Pounds , if a castellation of the nut does not align with the cotter pin hole in the bolt , continue tightening to the next alignment position up to 20 Inch - Pounds.

(5) Make sure a minimum of one full bolt thread is protruding from the castellated nut.

(6) (Refer to Figure 1 , Sheet 1 and Sheet

2.)

Install the MS24665 - 132 Cotter Pin.

(If adjustments to the hardware were made.)

• between the elevator trim tab actuator rod end to elevator trim tab actuator push - pull tube bolt head and the elevator spar web material

• between the elevator trim tab horn to elevator trim tab actuator push - pull tube bolt head or nut and the cutout in the lower elevator skin

• between any other connection hardware and the elevator spar web material

• between any other connection hardware and the cutout in the spar web

• between any other connection hardware and the cutout in the elevator skin

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Multi - engine SER VICE

BULLETIN MEB - 27 - 02

• between any moveable parts and other potential interference

(1) If interference still exists between the elevator trim tab actuator rod end to elevator trim tab actuator push - pull tube hardware and the elevator spar web material , spar web cutout or other material , contact T extron A viation for further direction.

Make sure there is uninterrupted , with no interference , full travel of the elevator control system and the elevator trim system in the pitch up , pitch down and nose up , nose down travels.

12.

Make sure all hardware removed in Steps 3 and 5 is discarded.

13.

Remove the maintenance warning tags and connect the airplane battery .

14.

Make an entry in the airplane logbook that states compliance and method of compliance with this service bulletin.

MEB - 27 - 02 Revision 1 - June 15 , 2016 Page 5

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MEB - 27 - 02 Page 6 Revision 1 - June 15 , 2016 Multi - engine SER VICE

BULLETIN MEB - 27 - 02 C B Actuator Assembly , Elevator T rim T ab (Reference) T ube Assembly , T rim T ab Push-Pull T ube (Reference) Horn Assembly , Elevator T rim T ab (Reference) 1010T1001 B20983 DET AIL

A NOTE:

Model 310R shown, location for trim tab push-pull tube similar on other models.

This illustration is for reference only .

The orientation of the bolts as shown may not lead to acceptable clearances with the spar web, fairing, etc.

NOTE:

A Figure

Elevator T rim - T ab Push - Pull T ube Hardware (Sheet

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Multi - engine SER VICE

BULLETIN MEB - 27 - 02 NAS464P3-8 or NAS464P3-9 Bolt (1 Required) NAS1 149F0332P and/or NAS1 149F0316P W asher (1 or More as Required) MS17826-3 Nut MS24665-132 Cotter Pin (1 Each Required) DET AIL C DET AIL B NAS464P3-8 or NAS464P3-9 Bolt (1 Required) NAS1 149F0332P and/or NAS1 149F0316P W asher (1 or More as Required) MS17826-3 Nut MS24665-132 Cotter Pin (1 Each Required) B10612023 C10612023 B20984 NOTE:

This illustration is for reference only .

The orientation of the bolts as shown may not lead to acceptable clearances with the spar web, fairing, etc.

Figure

Elevator T rim - T ab Push - Pull T ube Hardware (Sheet

2) MEB - 27 - 02 Revision 1 - June 15 , 2016 Page 7

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MEB - 27 - 02 Page 8 Revision 1 - June 15 , 2016 Multi - engine SER VICE

BULLETIN MEB - 27 - 02 MA TERIAL

INFORMA TION Order the kit below to install this modification.

NEW P / N QUAN- TITY KEY WORD OLD P / N

INSTRUCTIONS /

DISPOSITION MEB - 27 - 02 1 Kit , consisting of the following parts:

NAS464P3 - 8 2 Bolt Same Discard Old , Install New NAS464P3 - 9 2 Bolt Same If longer grip - length is needed NAS1 149F0316P 2 W asher Same Install as needed for correct cotter pin alignment NAS1 149F0332P 6 W asher Same Discard Old , Install New as needed for correct cotter pin alignment MS17826 - 3 2 Nut Same Discard Old , Install New MS24665 - 132 2 Cotter Pin Same Discard Old , Install New NOTE:

It is permissible to substitute the NAS464P3 - X bolt with a NAS6203 - X bolts.

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Multi - engine OWNER

ADVISOR Y MEB - 27 - 02 TITLE FLIGHT

CONTROLS - ELEV A T OR TRIM - T AB PUSH - PULL TUBE HARDW ARE

REPLACEMENT

EFFECTIVITY The following Cessna Aircraft Models (all serial numbers):

COMPLIANCE MANDA T OR Y .

This service letter must be accomplished at the next 100 - hour or 12 - month (annual - type) inspection , whichever occurs first.

NOTE:

Perform the elevator trim tab deflection (free play) check per the applicable maintenance or service manual.

Original Issue - February 29 , 2016 MEB - 27 - 02 Revision 1 - June 15 , 2016 Page 1 of 2 T extron A viation Customer Service , P .O.

Box 7706 , Wichita , KS 67277 , U.S.A.

1 - 316 - 517 - 5800 This document contains technical data and is subject to U.S.

export regulations.

This information has been exported from the United States in accordance with export administration regulations.

Diversion contrary to U.S.

law is prohibited.

ECCN:

9E991

Page 12Open in PDF

MEB - 27 - 02 Page 2 Revision 1 - June 15 , 2016 Multi - engine OWNER

ADVISOR Y MEB - 27 - 02 P ART NUMBER A V

AILABILITY COST MEB - 27 - 02 * * * Please contact the Authorized Service Facility for current costs and availability of parts listed in the service document.

Based on availability and lead times , parts may require advanced scheduling.

NOTE:

As a convenience , service documents are now available online to all our customers through a simple , free - of - charge registration process.

If you would like to sign up , please visit the "Customer Access" link at www .txtavsupport.com to register .