Airbus Alert Operators Transmission A25L009-16

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AD 2016-19-06Equipment/Furnishings · Airbus A330-201, A330-202, A330-203 and 17 moreEffective Oct 3, 2016 · No revision named

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Page 1Open in PDF

CUSTOMER SERVICES DIRECTORATE 1 ROND POINT MAURICE BELLONTE 31707 BLAGNAC CEDEX FRANCE TELEPHONE + 33 (0)5 61 93 33 33

ALERT OPERATORS TRANSMISSION - AOT AOT ref: A25L009-16 Rev 00 Page 1 of 4 Date: 07-JUL-2016 © AIRBUS S.A.S. 2016. ALL RIGHTS RESERVED. CONFIDENTIAL AND PROPRIETARY DOCUMENT SUBJECT: ATA 25 – Door 3 Type 1 Slide Aspirator Damage AIRCRAFT TYPE: A330,A340 OUR REF.: A25L009-16 Rev 00 dated 07-JUL-2016.

1. AIRCRAFT AFFECTED A330-200/-300 and A340-200/-300 aircraft.

All aircraft, but most likely following Manufacturer Serial Numbers (MSN) are potentially affected: 0058, 0168, 0174, 0179, 0253, 0505, 0556, 0598, 0730, 0737, 0751, 0809, 0852, 0868, 1000, 1018, 1023, 1026, 1071, 1081, 1084, 1088, 1101, 1145, 1181, 1205, 1226, 1290, 1306, 1319 Note:

Subsequently this AOT lists the P/N and the S/N of affected slides which were reinstalled in above listed MSN after maintenance operation. The MSN listing is for information only, as it cannot be excluded that a potentially affected slide has been removed from an aeroplane and later re-installed on another aeroplane.

2. REFERENCED DOCUMENTATION

2.1 REFERENCES AMM task 25-62-42-000-801-A01 AMM task 25-62-42-400-801-A

3. REASON

3.1 FACTS It has been reported to Airbus that door 3 type 1 escape slides P/N 7A1509-series may be affected by a slide aspirator damage. This damage occurred during last overhaul visit within MRO facilities and may lead to a failed deployment in case of emergency evacuation.

The slide aspirator is an air pump used to inflate the evacuation slide. The potential damage is caused to the air inlet end of the aspirator by either permanently deforming the inlet or by causing cracks in the supply line to the aspirator nozzle. The air inlet of the aspirator is opposite to the exhaust end of the aspirator, where it is attached to slide.

Only the slide P/N 7A1509-series is affected because the packing instructions are substantially different from other evacuation slides.

The potentially affected slide P/Ns are 7A1509-027, 7A1509-037, 7A1509-123 and 7A1509-125.

3.2 CONSEQUENCES A defective aspirator can lead to the following failure scenarios:

Page 2Open in PDF

ALERT OPERATORS TRANSMISSION - AOT AOT ref: A25L009-16 Rev 00 Page 2 of 4 Date: 07-JUL-2016 © AIRBUS S.A.S. 2016. ALL RIGHTS RESERVED. CONFIDENTIAL AND PROPRIETARY DOCUMENT  The slide does not fully inflate. In case of an emergency evacuation it is not useable.

 The slide fully inflates, but loses pressure, so that it becomes unusable after a certain time. In case of an emergency evacuation the passengers may start using the exit, but may not necessarily identify that the slide is losing pressure to the point being unusable. This scenario may result in serious injuries of passengers.

3.3 AIM The aim of this AOT is to identify the location of the affected door 3 type 1 escape slides and then request the replacement of the affected slides.

4. SHORT TERM ACTION

4.1 PLANNING AND MANPOWER

4.1.1 ACCOMPLISHMENT TIMESCALE The actions described in paragraphs 4.2.1 and 4.2.2 have to be performed within 30 days from AOT issuance.

The actions described in paragraphs 4.2.3 to 4.2.4 have to be performed in accordance with the following paragraphs:

(a) if two affected slides are installed on one A/C, one slide has to be replaced before the next flight and the other one within 10 months or 4 100 FH from AOT issuance, whichever occurs first,

(b) if only one affected slide is installed on one A/C, this slide has to be replaced within 10 months or 4 100 FH from AOT issuance, whichever occurs first.

Note:

The probability to have two suspect slides in the same A/C is “extremely remote” based on the information Airbus received from the MRO.

4.1.2 MANPOWER The estimated time to perform the removal and installation of one slide is 1.5 man-hours/door.

4.2 DESCRIPTION Please find below the procedure to identify the affected slides and to perform the replacement on the door 3.

4.2.1. Confirm whether the listed slide S/Ns are installed on the A/Cs in accordance with the tables below either by records review or A/C inspection and report the result to Airbus (with or without findings):

TABLE 1: Potentially one affected slide on one A/C:

Sorted by MSN Sorted by Slide P/N and S/N MSN Slide P/N Slide S/N Slide P/N Slide S/N MSN 0058 7A1509-037 AD0488 7A1509-027 AD0975 0174 0168 7A1509-037 AD0759 7A1509-027 AD1155 0598 0174 7A1509-027 AD0975 7A1509-037 AD0488 0058 0174 7A1509-037 AD1184 7A1509-037 AD0759 0168 0179 7A1509-125 AD2300 7A1509-037 AD0942 1101

Page 3Open in PDF

ALERT OPERATORS TRANSMISSION - AOT AOT ref: A25L009-16 Rev 00 Page 3 of 4 Date: 07-JUL-2016 © AIRBUS S.A.S. 2016. ALL RIGHTS RESERVED. CONFIDENTIAL AND PROPRIETARY DOCUMENT 0253 7A1509-123 AD1730 7A1509-037 AD0960 1018 0505 7A1509-125 AD2497 7A1509-037 AD1025 1226 0556 7A1509-123 AD1450 7A1509-037 AD1033 1145 0598 7A1509-027 AD1155 7A1509-037 AD1034 0868 0730 7A1509-125 AD2103 7A1509-037 AD1080 1084 0737 7A1509-125 AD2223 7A1509-037 AD1184 0174 0751 7A1509-125 AD2178 7A1509-123 AD1450 0556 0809 7A1509-125 AD1769 7A1509-123 AD1730 0253 0852 7A1509-125 AD2407 7A1509-123 AD1737 1026 0868 7A1509-037 AD1034 7A1509-123 AD1805 1088 1000 7A1509-125 AD1834 7A1509-123 AD1822 1023 1018 7A1509-037 AD0960 7A1509-125 AD1769 0809 1023 7A1509-123 AD1822 7A1509-125 AD1780 1205 1026 7A1509-123 AD1737 7A1509-125 AD1781 1071 1071 7A1509-125 AD1781 7A1509-125 AD1834 1000 1081 7A1509-125 AD2409 7A1509-125 AD1841 1306 1084 7A1509-037 AD1080 7A1509-125 AD1869 1181 1088 7A1509-123 AD1805 7A1509-125 AD2103 0730 1101 7A1509-037 AD0942 7A1509-125 AD2178 0751 1145 7A1509-037 AD1033 7A1509-125 AD2223 0737 1181 7A1509-125 AD1869 7A1509-125 AD2279 1290 1205 7A1509-125 AD1780 7A1509-125 AD2300 0179 1226 7A1509-037 AD1025 7A1509-125 AD2301 1319 1290 7A1509-125 AD2279 7A1509-125 AD2407 0852 1306 7A1509-125 AD1841 7A1509-125 AD2409 1081 1319 7A1509-125 AD2301 7A1509-125 AD2497 0505

4.2.2 Should you identify that any of the above listed slide S/N is installed on another A/C than listed or is in stock, report this to Airbus and apply the following steps leading to the replacement of the slide S/N from the identified A/C within the given compliance time even if the A/C is not listed in this AOT.

4.2.3. Replace each listed slide in accordance with AMM task 25-62-42-000-801-A01 (Removal of the Escape Facilities) and AMM task 25-62-42-400-801-A (Installation of the Escape Facilities).

4.2.4. For slides overhauled by SR Technics please return them to the following address for test and repair:

SR Technics Spain S.A.

C/ Mario Roso de Luna, 32 Naves C-D-E-F Polígono Industrial Fin de Semana 28022 - Madrid For others, please return them to your slide MRO.

Page 4Open in PDF

4.3 SPARES AND TOOLING For spares, contact your slide MRO. Involved MROs have ensured the availability of sufficient spares to support the replacement of all listed slides within the compliance time.

5. FURTHER INFORMATION

5.1 FOLLOW-UP PLAN It is anticipated that an EASA Airworthiness Directive (AD) will mandate the content of this AOT.

No action is needed further to the replacement of all affected slides.

5.2 IMPACTED DOCUMENTATION No document is impacted by the AOT.

6. AOT APPROVAL The technical content of this document is approved under the authority of DOA nr. EASA.21J.031.

7. REPORTING Questions about this AOT and inspection results with or without findings are to be addressed to Airbus Customer Services through TechRequest on Airbus World, selecting Engineering Domain and ATA 25-62/Topic “AOT A25L009-16”.

Best Regards, Jean-Luc MOUYSSET

VICE PRESIDENT ENGINEERING SUPPORT

CUSTOMER SERVICES Sabine KLAUKE VICE PRESIDENT A330/A340 PROGRAMME