EASA AD No.: 2012-0004

EASA Form 110 Page 1/3 

## EASA AIRWORTHINESS DIRECTIVE

AD No.: 2012-0004

Date: 12 January 2012

Note: This Airworthiness Directive (AD) is issued b y EASA, acting in accordance with Regulation (EC) No 216/2008 on behalf of the European Communit y, 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 EC 1702/2003, Part 21A.3B. In accordance with EC 2042/2003 Annex I, Part M.A.301, the continuing airworthiness of an aircraft shall be en sured by accomplishing any applicable ADs. Conseque ntly, no person may operate an aircraft to which an Airworthiness Directive app lies, except in accordance with the requirements of that Airworthiness Directive unless otherwise specified by the Agency [EC 2042/2 003 Annex I, Part M.A.303] or agreed with the Autho rity of the State of Registry [EC 216/2008, Article 14(4) exemption]. 

### Type Approval Holder’s Name : BAE Systems (Operations) Ltd Type/Model designation(s) : BAe 146 and AVRO 146-RJ aeroplanes

TCDS Number: EASA.A.182

Foreign AD: Not applicable
Supersedure: This AD supersedes EASA AD 2011-0048 dated 18 March 2011 including its

Correction dated 23 March 2011.



### ATA 05 Time Limits / Maintenance Checks - Airworthiness Li mitations - Amendment / Implementation

Manufacturer(s): BAE Systems (Operations) Ltd, Brit ish Aerospace plc, British Aerospace (Commercial Aircraft) Ltd, British Aerospace (Opera tions) Ltd, British Aerospace Regional Aircraft Ltd, British Aerospace Regional Aircraft trading as Avro International Aerospace.
Applicability: BAe 146 and AVRO 146-RJ aeroplanes, all models, all serial numbers.

Reason: The BAe 146 / AVRO 146-RJ Aircraft Maintena nce Manual (AMM) includes the Chapters as listed in Appendix 1 of this AD. Co mpliance with these chapters has been identified as a mandatory action for continued airworthiness and EASA AD 2011-0048 was issued to r equire operators to comply with those instructions. Since the issuance of EASA AD 2011-0048, BAE System s (Operations) Ltd has amended Chapter 05-10-15 of the AMM by introduc ing reduced safe lives on nine serialised Nose Landing Gear (NLG) fittings . In addition, Chapter 05- 10-15 of the AMM has been amended to redefine the o perating time of the aileron- and elevator dampers. Chapters 05-20-02 an d 05-20-05 of the AMM have been amended to refer to the new Revision 4 of the CPCP. Failure to comply with these instructions could res ult in an unsafe condition. For the reasons described above, this EASA AD retai ns the requirements of EASA AD 2011-0048, which is superseded, and require s the implementation of the new or more restrictive maintenance requirem ents and/or airworthiness limitations as specified in the sub-chapters of Cha pter 05 of the AMM at Revision 105, as listed in Appendix 1 of this AD.
Effective Date: 26 January 2012EASA AD No.: 2012-0004

EASA Form 110 Page 2/3 Required Action(s) and Compliance Time(s): Required as indicated, unless previously accomplish ed: (1) Within the compliance times specified in the BA e 146 / Avro 146-RJ AMM at Revision 105, accomplish all applicable airworth iness limitations and maintenance requirements included in the sub-chapte rs of that document as listed in Appendix 1 of this AD. (2) Compliance with the requirements of paragraph (1) of this AD can be demonstrated by:
(2.1) Revising as follows, unless accomplished prev iously, the approved Aircraft Maintenance Programme on the basis of whic h the operator or the owner ensures the continuing airwor thiness of each operated aeroplane: Incorporate applicable maintenance requirements an d associated airworthiness limitations included in the sub-chapt ers of the AMM at Revision 105 listed in Appendix 1 of this AD, an d, (2.2) Complying with the approved Aircraft Maintena nce Programme described in paragraph (2.1) of this AD.
Ref. Publications: BAE Systems (Operations) Limited BAe 146/AVRO 146-RJ AMM Chapters 05-10, 05-15 and 05-20 at Revision 105, dated 15 Ju ly 2011. The use of later approved revisions of this documen t is acceptable for compliance with the requirements of this AD.

Remarks : 1. If requested and appropriately substantiated, EA SA can approve Alternative Methods of Compliance for this AD. 2. This AD was posted on 08 December 2011 as PAD 11 -132 for consultation until 05 January 2012. No comments wer e received during the consultation period. 3. Enquiries regarding this AD should be referred t o the Safety Information Section, Executive Directorate, EASA. E-mail ADs@easa.europa.eu

. 4. For any question concerning the technical conten t of the requirements in this PAD, please contact: BAE Systems (Operations) Ltd, Customer Information Department, Prestwick International Airport, Ayrshire, KA9 2RW, Scotland, United Kingdom; Telephone +44 1292 675207, Facsimile +44 1 292 675704; E-mail: RApublications@baesystems.com

.EASA AD No.: 2012-0004

EASA Form 110 Page 3/3 

### Appendix 1

Sub-chapter Subject
05-10-01 Airframe Airworthiness Limitations before Life Extension

Programme 05-10-05 * Airframe Airworthiness Limitations, Life Extension

Programme - Landings Life Extended 05-10-10 ** Airframe Airworthiness Limitations, Lif e Extension

Programme - Calendar Life Extended 05-10-15 Aircraft Equipment - Airworthiness Limitat ions
05-10-17 Power Plant - Airworthiness Limitations 05-15-00 Critical Design Configuration Control Limi tations (CDCCL) -

Fuel System Description and Operation 05-20-00 Scheduled Maintenance, paragraphs 5 and 6 only, on the

Corrosion Prevention and Control Programme (CPCP) a nd the Supplemental Structural Inspection Document (SS ID)
05-20-01 Airframe Scheduled Maintenance – Before Li fe Extension

Programme (MRBR Section 6) 05-20-05 * Airframe Scheduled Maintenance, Life Ext ension

Programme Landings Life Extended 05-20-10 ** Airframe Scheduled Maintenance, Life Ex tension

Programme Calendar Life Extended 05-20-15 Aircraft Equipment Scheduled Maintenance
* Applicable only to aeroplanes post-modification HC M20011A or HCM20012A or HCM20013A. ** Applicable only to aeroplanes post-modification H CM20010A.

Note 1 : Within sub-chapter 05-20-00, the relevant issues of the supporting documents are: - CPCP Document No. CPCP-146-01, Revision 4 dated 15 September 2010. - SSID Document No. SSID-146-01/02/03, Original Iss ue dated 12 July 2006.
Note 2: Within sub-chapter 05-20-01, the relevant issue of the supporting document is MRBR Document No. MRB 146-01, Issue 2 Revision 17 dated March 2011.