SB2182 SB 2182

User Manual: SB2182

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SUBJECT:

OPERATIONAL

BENEFITS:

EFFECTIVITY:

COMPLIANCE:

MANDATORY

SERVICE

BULLETIN

No.

2182

ATA

Codo

27-40

Recurring

Inspection

FLIGHT CONTROLS

-

INSPECTION

OF

STAB

IlATOR HINGE

BRACKETS FOR WORKING RIVETS

Beech Aircraft Corporation is

1

ssuing this Service Bulletin to

provide an inspection which

will

determine

if

there are any

loose or broken rivets at the stabilator hinge fuselage attach

points. Loose or broken rivets at

the

stabllator hinge fuselage

attach points could result

In

loss of airplane pitch

control.

BEECHCRAFT A23-19, 19A, M19A and 019, serials

MB-1

through

MB-520;

B19 Sport 150, serials MB-521 through

MB-905;

23, A23, A23A, 823 and C23, serials

M-1

through

M-1361;

C23

Sundowner 180, serials

M-1362

through M-2156, M-2158 through

M-2392

;

A23-24

and

A24,

serials

MA-1

through

MA-368;

A24R, serials MC-2 through HC-95;

A24R,

B24R

and C24R Sierra 200, serials HC-96 through HC-795.

Beech Aircraft Corporation considers this to be

a

mandatory

inspection/modif ication and

it

should be accompl

i

shed prior to

the next flight of the airplane.

Reinspect the

LH

and

RH

stabilator hinges for working rivets

at

each 100

service

hours

or

annual inspection (noma1 catagory)

or

25

service hours or annual inspection (acrobatic catagory) until

further notice.

An Airworthiness Directive has been requested on this subject.

No

BECP

M

Issued: February, 1987

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-

Service

Bulletin

No.

2182

APPROVAL:

MANPOWER:

MATERIAL:

WARRANTY:

SPECIAL

TOOLS

:

WEIGHT

AND

BALANCE:

REFERENCES:

PUBLICATIONS

AFFECTED:

Engineering data contained

in

this Service Bulletin

is

FAh

approved.

The following information is for planning purposes only:

Estimated man-hours for inspection:

1

hour.

Estimated man-hours for rep1 acement of stabi lator hinge fasten-

ers:

6

hours.

Suggested number of men: 2 men.

The above is an estimate based on experienced personnel comply-

ing with this Service Bulletin. 5ccasionally, after work has

started, conditions may be found which could result in addi-

tjonal man-hours.

The P/N MS20470AO-5 (or

-4

as appropriate) rivets, P/N CR2249-5

(or

-4

as

approprl ate) Cherry1 ock rivets, P/N AN525-10 screws,

P/N

AN960-10

washers and

P/N

AN365-1032 nuts,

if

required for

this modification, may be ordered through a BEECHCRAFT Author-

ized Outlet or procured from local sources. The value of the

parts required to perform this modification .on one airplane is

to be advised. Prices, when issued, wi

11 be subject to change

without notice.

Warranty credit for parts and labor to

the

extent noted under

MATERIAL

and MANPOWER will

be

allowed on all affected airplanes

which are within warranty at the time this Service Bulletin is

re1 eased.

Warranty coverage offered in this Service Bulletin

wi

11 expire

12

months from the last day of the month this Service Bulletin

is issued. After this date, the owner/operator assumes the

.responsi

bi

1 ity for the cornpl iance and cost. Beech Aircraft Cor-

poration reserves the right to void continued warranty coverage

in

the area affected

by

this Service Bulletin

if

this Service

Bulletin is not complied with.

All warranty reimbursements are handled through franchised

BEECHCRAFT Authorized Out1 ets

.

Owners and operators should

arrange with these outlets to perform the work and have them

submit the standard Beech Aircraft Corporation warranty claim

form through a

BEECHCRAFT

Authorized Outlet.

None.

None.

None.

It

is recommended that a note

to

"See Service Bulletin No. 2182"

be made in the following:

BEECHCRAFT

19,

23 and

24

Series Parts Catalog, P/N

169-5900125

or

subsequent,

Appropriate Figure;

Service Bulletin

No.

2182

BEECHCRAFT

B19,

C23,

C24R Parts Catalo MB-866 and after;

M-1971, M-1980

and

after;

HC-533,

M?-67

and after)

PIN

169-590026E or subsequent, Figure

103.

ACCOMPLl SHMENT

INSTRUCTIONS:

Thi

s

Service Bul letin may be accompl ished as fol lows:

1.

Refer to

Figure

1

and visually Inspect both the

LH

and

RH

stabilator hinges, at

the fuselage attach point, for broken, loose or working rivets

as

follows:

a. Inspect for cracks in paint around the circumference of

a

rivet

head.

b. Inspect for black discoloration which appears as residue working out from

beneath the rivet head.

c. Inspect for any gap between the rlvet head and airplane skin.

2.

If

none of the above conditions exist and the

LH

and

RH

stabilator hinges

appear to be in a normal and secure configuration, no further action is neces-

sary at this time.

3.

If

any rivet on either the

LH

or

RH

stabilator hinges is found to

be

working,

all rlvets on both hinges nust be replaced with

P/N

MS20470AD-5 or

-4

(as

appropriate)

rivets of

the

appropriate length for material thickness.

LH HINGE

BRACKET

SHOWN

RH

HINGE

BRACKET

OPPOSITE

I

I

AN525-I0

SCREW

PIVOT

POINT

AN960-I0

WASHER

AN365-I032

NUT

INSPECT

ALL

STABILATOR HINGE RIVETS FOR CONDITION

AND

SECURITY

Figure

1

Service

Bulletin

No.

2182

4.

Refer to the Shop Manual and remove the stabilator.

NOTE

Replace the rivets in horizontal rows (one row at

a

time)

to

maintain stabilator hingelfuselage alignment. See illustration.

5.

If

an oversize fastener

Is

required, enlarge the hole as required to accept

a

P/N

CR2249-5

or

-4

(as

a

propriate) Cherrylock rivet

(NAS1738-5)

of the appro-

priate length for materia

!

thickness.

6.

If

rivet replacement has been accomplished, replace the existing screws, wash-

ers and nuts on both the

LH

and

RH

stabilator hin

es

with

new

P/N

AN525-10

S

screws, new

P/N

AN960-TO

washers and

new

P/N

AN365-10

2

nuts.

7.

If

problems are encountered during the rivet rep1 acement procedure, contact:

Beech Aircraft

Cor

oration Commercial Service Department, Phone

(316)

681-7265,

International

TELE

!

No.

203603.

8.

Refer

to

the Maintenance Manual and relnstall the stabfiator.

9.

Reinspect the

LH

and

RH

stabilator hinges as described in a,

b

and

c

above at

each

100

service hour interval (normal catagory) or each

25

service hour inter-

val (acrobatic catagory) unti

1 further notice.

RECORD

COMP

L

IANCE

:

U~on corn~letion of this Service Bulletin, make an

appropriate

kintenailce record entry.

NOTE

If

you are no longer in possession of this air-

plane, please forward this infomation to the

present owner.