EASA AD No.: 2014-0237R1

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EASA AIRWORTHINESS DIRECTIVE

AD No.: 2014-0237R1

Date: 05 December 2014

Note: This Airworthiness Directive (AD) is issued by EASA, acting in accordance with 

Regulation (EC) No 216/2008 on behalf of the European Community, its Member States and of 

the European third countries that participate in the activities of EASA under Article 66 of that 

Regulation.

This AD is issued in accordance with EU 748/2012, Part 21.A.3B. In accordance with EC 2042/2003 Annex I, Part M.A.301, the 

continuing airworthiness of an aircraft shall be ensured by accomplishing any applicable ADs. Consequently, no person may operate 

an aircraft to which an AD applies, except in accordance with the requirements of that AD, unless otherwise specified by the Agency 

[EC 2042/2003 Annex I, Part M.A.303] or agreed with the Authority of the State of Registry [EC 216/2008, Article 14(4) exemption].

Design Approval Holder’s Name:

AIRBUS

Type/Model designation(s):

A318, A319, A320 and A321 aeroplanes

TCDS Number: EASA.A.064

Foreign AD: Not applicable

Revision: This AD revises EASA AD 2014-0237 dated 29 October 2014, which superseded

DGAC France AD 91-227-021(B)R1 dated 24 December 1991, AD 2001-362(B)

dated 08 August 2001, and AD 2002-586(B)R1 dated 02 April 2003.

ATA 34 Navigation – Airspeed Pitot Probes – Replacement

Manufacturer(s): Airbus (formerly Airbus Industrie)

Applicability: Airbus A318-111, A318-112, A318-121, A318-122, A319-111, A319-112,

A319-113, A319-114, A319-115, A319-131, A319-132, A319-133, A320-211, 

A320-212, A320-214, A320-215, A320-216, A320-231, A320-232, A320-233, 

A321-111, A321-112, A321-131, A321-211, A321-212, A321-213, A321-231 

and A321-232 aeroplanes, all manufacturer serial numbers.

Reason: Occurrences have been reported on A320 family aeroplanes of airspeed

indication discrepancies while flying at high altitudes in inclement weather

conditions. Investigation results indicated that A320 aeroplanes equipped with 

Thales Avionics Part Number (P/N) 50620-10 or P/N C16195AA pitot probes 

appear to have a greater susceptibility to adverse environmental conditions 

than aeroplanes equipped with certain other pitot probes.

Prompted by earlier occurrences, DGAC France issued AD 2001-362 to

require replacement of Thales (formerly known as Sextant) P/N 50620-10 pitot 

probes with Thales P/N C16195AA probes.

Since that AD was issued, Thales pitot probe P/N C16195BA was designed,

which improved airspeed indication behaviour in heavy rain conditions, but did

not demonstrate the same level of robustness to withstand high-altitude ice 

crystals. Based on these findings, EASA have decided to implement

replacement of the affected Thales probes as a precautionary measure to 

improve the safety level of the affected aeroplanes.

Consequently, EASA issued AD 2014-0237, retaining the requirements of 

DGAC France AD 2001-362, which was superseded, to require replacement 

of Thales Avionics pitot probes P/N C16195AA and P/N C16195BA.
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The following related DGAC France ADs were also cancelled by EASA AD

2014-0237, without retaining any of their requirements:

 AD 91-227-021R1 that required replacement of Titeflex hoses; and

 AD 2002-586R1 that required cleaning of Thales P/N C16195AA probes.

Since EASA issued AD 2014-0237, it was brought to the Agency’s attention 

that Airbus modification (mod) 155737 was introduced to install Thales probes 

in production. This affects paragraph (4) of the AD.

For the reasons described above, this AD is revised to amend paragraph (4), 

making reference to aeroplanes which are post-mod 25578, but also post-mod 

155737, as a result of which they have Thales probes installed.

Effective Date: Revision 1: 12 December 2014

Original issue: 12 November 2014

Required Action(s) 

and Compliance

Time(s):

Required as indicated, unless accomplished previously:

Retained requirements from DGAC France AD 2001-362:

(1) For A319, A320 and A321 aeroplanes, all certified models, all serial 

numbers, except aeroplanes having embodied Airbus modification 25998 

in production:

Within 24 months after 18 August 2001 [the effective date of DGAC 

France AD 2001-362], replace Thales (previously SEXTANT) pitot probes 

P/N 50620-10 with Thales pitot probes P/N C16195AA in accordance with 

the instructions of Airbus Service Bulletin (SB) A320-34-1127.

New requirements of this AD:

(2) Within 48 months after 12 November 2014 [the effective date of the 

original issue of this AD], replace each Thales pitot probe P/N C16195AA 

and P/N C16195BA in accordance with the instructions of Airbus SB 

A320-34-1170.

(3) Modification of an aeroplane by replacement of the probes in accordance 

with the instructions of Airbus SB A320-34-1456 (pitot probes on Captain 

and stand-by side) and SB A320-34-1463 (pitot probes at F/O side) is an 

acceptable alternative method to comply with the requirements of 

paragraph (2) of this AD for that aeroplane.

(4) An aeroplane on which Airbus mod 25578 was embodied in production 

(except as specified below) is compliant with the requirements of 

paragraphs (1) and (2) of this AD, provided it is determined that no Thales 

pitot probe P/N 50620-10, P/N C16195AA or P/N C16195BA has been 

installed on that aeroplane since Airbus date of manufacture.

Post-mod 25578 aeroplanes, when mod 155737 (installation of Thales 

probes) was also embodied in production, must comply with paragraph 

(2) of this AD.

(5) After the manufacturing date of the aeroplane, do not install a Thales pitot 

probe P/N 50620-10, P/N C16195AA or P/N C16195BA, as required by 

paragraph (5.1) or (5.2) of this AD, as applicable:

(5.1) For aeroplanes that have a Thales pitot probe P/N C16195AA or 

P/N C16195BA installed: After modification of the aeroplane as 

required by paragraph (2) of this AD.

(5.2) For aeroplanes that do not have a Thales pitot probe P/N 

C16195AA or P/N C16195BA installed: From the effective date of 

this AD.

(6) Installation of a pitot probe P/N approved after the effective date of this 

AD and compliant with the new EASA icing requirements is equal to 

compliance with the requirements of paragraphs (1) and (2) of this AD, 
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provided the conditions as specified in paragraphs (6.1) and (6.2) of this 

AD are met.

(6.1) The pitot probe P/N must be approved by EASA, or approved 

under Airbus DOA; and

(6.2) The installation must be accomplished in accordance with 

aeroplane modification instructions approved by EASA, or 

approved under Airbus DOA.

Ref. Publications: Airbus SB A320-34-1127 original issue dated 24 April 1997, or Revision

(Rev.) 01 dated 04 December 2001.

Airbus SB A320-34-1456 original issue dated 02 December 2009, or Rev. 01 

dated 15 May 2012.

Airbus SB A320-34-1463 original issue dated 09 March 2010, or Rev. 01 

dated 15 May 2012.

Airbus SB A320-34-1170 original issue dated 18 December 1998, or Rev. 01 

dated 14 May 1999, or Rev. 02 dated 07 December 1999, or Rev. 03 dated

17 February 2000, or Rev. 04 dated 24 May 2000, or Rev. 05 dated

11 September 2000, or Rev. 06 dated 18 October 2001, or Rev. 07 dated

04 December 2001, or Rev. 08 dated 15 January 2003, or Rev. 09 dated

17 February 2003, or Rev. 10 dated 21 November 2003, or Rev. 11 dated

18 August 2004, or Rev. 12 dated 02 December 2004, or Rev. 13 dated

18 January 2005, or Rev. 14 dated 21 April 2005, or Rev. 15 dated 19 July

2005, or Rev. 16 dated 23 November 2006, or Rev. 17 dated 14 February 

2007, or Rev. 18 dated 09 October 2009, or Rev. 19 dated 09 November 

2009, or Rev. 20 dated 01 December 2010, or Rev. 21 dated 24 March 2011, 

or Rev. 22 dated 19 July 2011, or Rev. 23 dated 03 February 2012, or Rev. 24

dated 12 April 2012, or Rev. 25 dated 04 September 2012, or Rev. 26 dated

16 September 2013, or Rev. 27 dated 18 March 2014.

The use of later approved revisions of these documents is acceptable for 

compliance with the requirements of this AD.

Remarks: 1. If requested and appropriately substantiated, EASA can approve 

Alternative Methods of Compliance for this AD.

2. The original issue of this AD was posted on 09 September 2014 as PAD 

14-139 for consultation until 07 October 2014. The Comment Response 

Document can be found at http://ad.easa.europa.eu/.

3. Enquiries regarding this AD should be referred to the Safety Information 

Section, Certification Directorate, EASA. E-mail: ADs@easa.europa.eu.

4. For any question concerning the technical content of the requirements in 

this AD, please contact: AIRBUS – Airworthiness Office – EIAS;

Fax +33 5 61 93 44 51; E-mail: account.airworth-eas@airbus.com.