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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