Interiors

Goodrich Corporation

3414 South Fifth Street

Phoenix, Arizona 85040-1169

Tel: (602) 243-2200

Fax: (602) 243-2300

LETTER OF TRANSMITTAL

TO: Holders of Goodrich Service Bulletin 25-367, Original Issue, Dated Sep 15/06.

SUBJECT: Goodrich Service Bulletin 25-367, Revision 1, Dated May 01/12.

REASON: Revised to incorporate updates made to Boeing Service Bulletin 747-25-3428 Revision 3.

ACTION: Replace all previous copies of Goodrich Service Bulletin 25-367 with Revision 1, 

Dated May 01/12.

HIGHLIGHTS

Revised Service Bulletin 25-367 to incorporate updates made to Boeing Service Bulletin 747-

25-3428 Revision 3. 

Pages shown below have been revised. All data changes are indicated by a changebar. 

Previous Issues:

Original - Sep 15/06

PAGE CHANGE

1 Revised Paragraph 1.A.(1)

Added Note

Revised Table 1

2 Revised Paragraph B.

Deleted Table 2

3 Revised Paragraphs C. thru G

4 Revised Paragraph J.

Revised Table 3

Revised Paragraph K.

5 Revised Paragraph 2., Steps A.,B., 

and E.

Revised Paragraph 3.B. 

Deleted Table 4

PAGE CHANGE

(END)
THIS PAGE INTENTIONALLY BLANK
INTERIORS

PHOENIX, ARIZONA 85040

SERVICE BULLETIN

ATA SYSTEM: 25

25-367

Page 1 of 5

Orig. - Sep 15/06

Rev. 1 - May 01/12

Subject: Equipment/Furnishings - Evacuation Systems -

TRANSMITTAL OF TECHNICAL DATA (EAR): 

THESE COMMODITIES, TECHNOLOGY OR SOFTWARE ARE CONTROLLED BY THE U.S. EXPORT ADMINISTRATION REGULATIONS 

(EAR). DIVERSION CONTRARY TO U.S. LAW IS PROHIBITED. 

LICENSE EXCEPTION: NLR 

ECCN: 9E991

1. Planning Information

A. Effectivity

(1) Equipment – This Service Bulletin affects Main Deck Slide/Rafts and Door 3 Off-Wing 

Ramp/Slides manufactured by Goodrich Corporation. The affected units are listed in Table 1.

NOTE: This revision (Revision 1) to this Service Bulletin changes the technical content of 

this modification. Units modified under the Original Issue of this Service Bulletin 

require additional modification in order to comply with Revision 1.

Table 1. Unit Effectivity 

Nomenclature Goodrich P/N Unit S/N

Slide/Raft, Door 1, 2 & 4 7A1238-( ) All

Slide/Raft, Door 5 7A1239-( ) All

Slide/Raft, Door 2 7A1255-( ) All

Slide/Raft, Door 3 7A1256-( ) All

Slide/Raft, Door 4 7A1257-( ) All

Slide/Raft, Door 1 7A1261-( ) All

Ramp/Slide, Off-Wing Door 3 7A1418-1 thru -8 All

Ramp/Slide, Off-Wing Door 3 7A1418-9 thru -26 All

Modify Packboard Latch
Goodrich

SERVICE BULLETIN

25-367

Page 2 of 5

 Rev. 1 - May 01/12

THIS DOCUMENT SUBJECT TO THE CONTROLS AND RESTRICTIONS ON THE FIRST PAGE. 

(2) Action – For all affected units, modify the packboard latch.

B. Reason

(1) Description – Refer to Boeing Service Bulletin 747-25-3428, Revision 3.

(2) Scope of Action – This Service Bulletin modification is considered a complete and total 

measure. New units of the escape slide models listed in Table 1, above, incorporate this 

modification at the time of manufacture. This change is not controlled by dash number, 

therefore modification effectivity is not provided for most models.

Table 2. Modification Effectivity

Deleted

Slide/Raft, Door 1, 2 & 4 7A1447-( ) All

Slide/Raft, Door 5 7A1448-( ) All

Slide/Raft, Door 1 & 4 7A1467-1 thru -28 All

Slide/Raft, Door 5 7A1469-1 thru -16 All

Slide/Raft, Door 2 7A1479-1 thru -16 All

Table 1. Unit Effectivity (Cont.)

Nomenclature Goodrich P/N Unit S/N
Goodrich

SERVICE BULLETIN

25-367

Page 3 of 5

Rev. 1 - May 01/12

THIS DOCUMENT SUBJECT TO THE CONTROLS AND RESTRICTIONS ON THE FIRST PAGE. 

C. Description

This Service Bulletin describes procedures for modifying the packboard latch as directed by Boeing 

Service Bulletin 747-25-3428, Revision 3. The unit is removed from the aircraft and taken to the 

workshop. The slide pack is opened and unpacked. The packboard latch is modified in accordance 

with Boeing Service Bulletin 747-25-3428, Revision 3. The slide pack is then restored.

D. Compliance Recommendation

Recommended, to be scheduled in accordance with Boeing Service Bulletin 747-25-3428, 

Revision 3.

E. Approval

This Service Bulletin has been reviewed by the Federal Aviation Administration (FAA) and the repairs 

and modifications described herein comply with the applicable Code of Federal Regulations (CFRs) 

and are FAA approved.

F. Manpower

For most affected units, Goodrich estimates that this modification will require no additional manhours per unit when accomplished during scheduled evacuation system maintenance. 

G. Materials

(1) Packboard Modification Parts – Refer to Boeing Service Bulletin 747-25-3428, Revision 3.

(2) Deleted.

(3) Other Materials – Normal materials used to maintain the subject evacuation systems are 

required. Refer to the applicable Component Maintenance Manuals (reference Table 4) for this 

information.

H. Tooling

No new tooling is required.

I. Weight and Balance

Not affected.
Goodrich

SERVICE BULLETIN

25-367

Page 4 of 5

 Rev. 1 - May 01/12

THIS DOCUMENT SUBJECT TO THE CONTROLS AND RESTRICTIONS ON THE FIRST PAGE. 

J. Reference

The following documents were used in the preparation of this Service Bulletin. Maintenance 

personnel should refer to these documents when performing these actions. Always use the latest 

issue of the applicable reference publication.

K. Publications Affected

None.

Table 3. Reference Publications

DOCUMENT DESCRIPTION APPLICATION

25-65-05 Goodrich Component Maintenance Manual (CMM) Ramp/Slide, P/N 7A1418 series

25-66-04 Goodrich Component Maintenance Manual (CMM) Slide/Raft, P/N 7A1238 series

25-66-05 Goodrich Component Maintenance Manual (CMM) Slide/Raft, P/N 7A1239 series

25-66-06 Goodrich Component Maintenance Manual (CMM) Slide/Raft, P/N 7A1261 series

25-66-07 Goodrich Component Maintenance Manual (CMM) Slide/Raft, P/N 7A1255 series

25-66-08 Goodrich Component Maintenance Manual (CMM) Slide/Raft, P/N 7A1256 series

25-66-09 Goodrich Component Maintenance Manual (CMM) Slide/Raft, P/N 7A1257 series

25-66-16 Goodrich Component Maintenance Manual (CMM) Slide/Raft, P/N 7A1447 series

25-66-17 Goodrich Component Maintenance Manual (CMM) Slide/Raft, P/N 7A1448 series

25-66-18 Goodrich Component Maintenance Manual (CMM) Slide/Raft, P/N 7A1479 series

25-66-19 Goodrich Component Maintenance Manual (CMM) Slide/Raft, P/N 7A1467 series

25-66-20 Goodrich Component Maintenance Manual (CMM) Slide/Raft, P/N 7A1469 series

SB 747-25-3428, 

Revision 3

Boeing Service Bulletin B747 Aircraft
Goodrich

SERVICE BULLETIN

25-367

Page 5 of 5

Rev. 1 - May 01/12

THIS DOCUMENT SUBJECT TO THE CONTROLS AND RESTRICTIONS ON THE FIRST PAGE. 

2. Accomplishment Instructions

WARNING: FOLLOW ALL WARNING AND CAUTION NOTES AND PROCEDURES IN THE 

APPLICABLE MAINTENANCE DOCUMENTS (REFERENCE PARAGRAPH 1.J, ABOVE) 

WHEN PERFORMING THE FOLLOWING WORK PROCEDURES.

NOTE: The following instructions assume that the unit has been removed from the aircraft and is in 

the workshop.

A. Unpack the evacuation system and remove the packboard in accordance with the DISASSEMBLY 

section of the applicable Goodrich Component Maintenance Manual (CMM). (See Table 3, above.)

B. Modify the latch on the packboard in accordance with Boeing Service Bulletin 747-25-3428, 

Revision 3.

C. Complete other evacuation system maintenance actions, as required.

D. Repack the evacuation system in accordance with the ASSEMBLY section of the applicable 

Goodrich CMM or Packing Instructions (listed in the evacuation system CMM).

E. Mark the unit to indicate compliance with this action as follows.

(1) Deleted.

(2) Mark the girt with the information "SB 25-367R1" adjacent to the evacuation system 

identification placard to indicate compliance with this Service Bulletin. (Stenciling in 1/4 inch 

characters is the preferred marking method.)

(3) Record Service Bulletin compliance on the system information card (located in a pocket on the 

packboard), or record Service Bulletin compliance in accordance with the operator’s component 

information tracking methods and system.

3. Materials and Identification

A. Parts

Reference paragraph 1.G, above.

B. Identification

Part number (dash number) control is not provided for this modification.

Table 4. DELETED