# INTERIORS

PHOENIX, ARIZONA 85040 

# ALERT SERVICE BULLETIN
ATA SYSTEM: 25

4A4030-25A402

Page 1 of 5 Orig. - Jun 30/11 

# Subject: Equipment/Furnishings - Evacuation Systems -

TRANSMITTAL OF TECHNICAL DATA (EAR): THESE COMMODITIES, TECHNOLOGY OR SOFTWARE ARE CONTR OLLED 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 EMBRAE R 170 series forward door escape slides manufactured by Goodrich Corporation. The affected units are listed in Table 1.

(2) Action - Re-pack the slide using improved pack t ooling and improved packing instructions. B. Concurrent Requirements (1) For PNR 4A4030-2 units, prior or concurrent comp liance with Goodrich Service Bulletin's 4A4011-4A4030-25-350, 4A4030-25A379, and 25-394 is required. Accomplishment of Service Bulletin 4A4030-25A379 is mandated by ANAC Airworth iness Directive 2009-11-01. (2) For PNR 4A4030-4 units, prior or concurrent comp liance with Goodrich Service Bulletin's 4A4030-25A379 and 25-394 is required. Accomplishmen t of Service Bulletin 4A4030-25A379 is mandated by ANAC Airworthiness Directive 2009-11-01

.



### Table 1. Unit Effectivity Nomenclature Escape Slide PNR Affected Unit SNR Slide, Escape, Forward Door 4A4030-2, -4, and -5 EB00 01, EB0002, EB0003, EB0005, and ED0001 and subsequent 

# Repack Slide to Improve Deployment Reliability

# Goodrich ALERT SERVICE BULLETIN



# 4A4030-25A402 Page 2 of 5 Orig. - Jun 30/11

THIS DOCUMENT SUBJECT TO THE CONTROLS AND RESTRICTIONS ON THE FIRST PAGE. (3) For PNR 4A4030-5 units to which Service Bulletin 25-394 is applicable, prior or concurrent compliance with Goodrich Service Bulletin 25-394 is required. C. Reason (1) Description - Goodrich has received reports from operators that they have experienced door stall events during scheduled deployments of PNR 4A4030-5 slides. Investigation into these events has indicated that changes in the maintenanc e program for these slides are necessary to promote functional reliability of the forward door evacuation system. (2) Scope of Action - This Service Bulletin reduces the scheduled maintenance interval for the affected escape slides to 18 months and specifies t hat the slide is repacked at that time. The slide repack is conducted using improved pack tooli ng and improved packing instructions. The scheduled overhaul interval remains at 36 months. D. Description The slide pack is opened, unfolded, and inflated wi th shop air. The replaceable cord (speed lacing) and the lower cover flap on the packboard are remov ed from the packboard and discarded. A new lower cover flap is installed on the packboard. The slide is repacked using revised and improved Packing Instructions and improved pack tooling, and a new replaceable cord (speed lacing) is installed on the slide during the packing process. E. Compliance Recommendation (1) For slides on which 19 months or more have elaps ed from the slide date of manufacture (DOM) or from the date of last repack (whichever date is newer), perform this Service Bulletin within 6 months from the release of this Service Bulletin. S ubsequently, repack or overhaul the slide, as applicable, at 18 month intervals. (2) For slides on which 18 months or less have elaps ed from the slide date of manufacture (DOM) or from the date of last repack (whichever date is newer), perform this Service Bulletin not later than when the slide reaches 18 months from the slid e's DOM or date of last repack. Subsequently, repack or overhaul the slide, as appl icable, at 18 month intervals. F. Approval This Service Bulletin has been reviewed by the Fede ral Aviation Administration (FAA) and the repairs and modifications described herein comply with the applicable Federal Aviation Regulations (FAR's) and are FAA approved. G. Manpower Goodrich estimates that the accomplishment of this Service Bulletin will require 6.0 hours labor in th e workshop when performed as a stand alone action. Wh en accomplished as part of a unit overhaul, this action will require no additional hours of lab or to that normally expended for the overhaul maintenance activity. H. Weight and Balance Not affected.
I. Electrical Load Data

# Goodrich ALERT SERVICE BULLETIN



# 4A4030-25A402 Page 3 of 5 Orig. - Jun 30/11

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

Not affected.
J. Reference The following Goodrich documents were used in the p reparation of this Service Bulletin. Maintenance personnel should refer to these documen ts when performing these actions. Always use the latest issue of the applicable reference public ation.

K. Publications Affected Goodrich CMM 25-60-38 will require revision as a re sult of this Service Bulletin.
2. Material Information A. Material - Price and Availability (1) Modification Parts and Kits - The parts required to accomplish this Service Bulletin are available in modification kit PNR 490424-1. The modification kit is designed to be used with a continued time in service maintenance event. If the Service B ulletin is being accomplished as part of a unit overhaul, use the standard packing kit called out i n the slide Packing Instructions (reference Table 2, above). The contents of the modification k it are detailed in Table 3, below. Contact Goodrich at the following address for procurement o f modification kits. www.parts.interiors.goodrich.com sparesales.evac@goodrich.com Phone: +1 800 735 7899 OR +44 (0) 1214 515904



### Table 2. Reference Publications Document Description Application 25-60-38 Component Maintenance Manual Slide, PNR 4A40 30 series 501761, Revision C or later Packing Instructions Slid e, PNR 4A4030-5 SB 4A4011/4A4030-25-350 Service Bulletin Slide, PNR 4 A4030-2; Incorporate Product Improvements and Ream Vespel Piston Inner Diameter SB 4A4030-25A379 Service Bulletin Slide, PNR 4A4030-2 and -4; Modify Slide to Prevent Door Stall and Excessive Slide Tilt SB 25-394 Service Bulletin Slide, PNR 4A4030-2, -4, a nd -5; Modify the Side Bustle Brackets



### Table 3. PNR 490424-1 Modification Kit Parts Breakdown
Item PNR Nomenclature QTY 4A4101-33 Flap, Lower Cover 1 240151-5 Lacing, Speed 1 240180-10 Restraint, Safety Tie 5 240180-12 Restraint, Safety Tie 2

# Goodrich ALERT SERVICE BULLETIN



# 4A4030-25A402 Page 4 of 5 Orig. - Jun 30/11

THIS DOCUMENT SUBJECT TO THE CONTROLS AND RESTRICTIONS ON THE FIRST PAGE. B. Industry Support Information - PNR 490424-1 modif ication kits will be supplied at no charge for unit s that are covered by the original factory warranty. Units eligible for no charge kits are listed in Tab le 4. Orders for no charge kits must reference this Servi ce Bulletin and must list (by part number and seria l number) the units for which those items are being o rdered. This no charge offer expires 24 months from original release date of this Service Bulletin . The warranty labor allowance provided under this Service Bulletin is 6.0 man-hours.

C. Other Materials - Normal materials used for the m aintenance of PNR 4A4030 series escape slides are required. Refer to the applicable Goodrich mai ntenance documents (reference paragraph 1.J and Table 2) for this information. D. Tooling (1) A new tool (PNR 540753-22 packing box; reference Packing Instructions 501761, Revision C or later) is used for repacking the slide. This tool i s available from Goodrich at the address shown in paragraph 2.A(1), above. The PNR 540753-22 packi ng box supplements, but does not replace, the PNR 540100-1 packing fixture. (2) A new tool (PNR 540610-17 lower edge contour tem plate; reference Packing Instructions 501761, Revision C or later) is used when checking the contour of the slide pack. This tool is available from Goodrich at the address shown in par agraph 2.A(1), above. The PNR 540610-17 template is used with the existing PNR 540610-1 con tour check cage. (3) In addition, normal tooling used for the mainten ance of PNR 4A4030 series escape slides is required. Refer to the applicable Goodrich maintena nce documents (reference paragraph 1.J and Table 2) for this information. 3. Accomplishment Instructions WARNING: FOLLOW ALL WARNING AND CAUTION NOTES AND PROCEDURES IN THE

APPLICABLE GOODRICH MAINTENANCE DOCUMENTS (REFERENC E PARAGRAPH 1.J AND TABLE 2, ABOVE) WHEN PERFORMING THE FOLLOWI NG WORK PROCEDURES.
NOTE: The following work procedures assume that the unit has been removed from the aircraft and

moved to the workshop.
NOTE: An overhaul is considered an acceptable alternate t o the following procedure. A. Open the slide pack in accordance with the DISASS EMBLY section of CMM 25-60-38. 240180-14 Restraint, Safety Tie 2 240180-15 Restraint, Safety Tie 1



### Table 4. Units Eligible for Factory Warranty Evacuation Slide Model Unit SNR’s with Warranty Cove rage under SB 25-402 4A4030-2, -4, and -5 ED0801 and subsequent 

### Table 3. PNR 490424-1 Modification Kit Parts Breakdown
Item PNR Nomenclature QTY

# Goodrich ALERT SERVICE BULLETIN



# 4A4030-25A402 Page 5 of 5 Orig. - Jun 30/11

THIS DOCUMENT SUBJECT TO THE CONTROLS AND RESTRICTIONS ON THE FIRST PAGE. B. Cut and remove the safety tie restraints, but retain the shear pin restraints. C. Remove and discard the lower cover flap and the r eplaceable cord from the packboard. Reference the DISASSEMBLY section of CMM 25-60-38. D. Inspect the packboard assembly, including checkin g the grommets on the soft covers for corrosion, in accordance with the INSPECTION/CHECK section of CMM 25-60-38. E. Perform any repairs on packboard assembly compone nts in accordance with the REPAIR section of CMM 25-60-38. F. Inflate the slide with shop air to 3.5 - 4.0 psig (24.1 - 27.6 kPag). Reference the TESTING AND FAULT ISOLATION section of CMM 25-60-38. G. Accomplish concurrent actions (reference paragrap h 1.B, above) as required. H. Install a new lower cover flap (PNR 4A4101-33) on the packboard in accordance with the ASSEMBLY section of CMM 25-60-38. I. Re-pack the slide in accordance with Packing Inst ructions 501761, Revision C or later (includes installation of new speed lacing and new safety tie restraints, and the use of the improved pack tooling). J. Record Service Bulletin compliance on the system information card (located in the pocket on the packboard assembly), or record Service Bulletin com pliance in accordance with the operator's component information tracking methods and system. 4. Identification There is no part number change resulting from this Service Bulletin action. Service Bulletin accomplishment is maintained via service records (r eference paragraph 3.J, above).