EASA AD No.: 2014-0043

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EASA AIRWORTHINESS DIRECTIVE 

AD No.: 2014-0043 

Date: 21 February 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: 

BAE SYSTEMS (OPERATIONS) Ltd 

Type/Model designation(s): 

Jetstream 4100 aeroplanes 

TCDS Number: EASA.A.189 

Foreign AD: Not applicable 

Supersedure: This AD supersedes EASA AD 2010-0098 dated 27 May 2010. 

ATA 05 Time Limits / Maintenance Checks – Airworthiness Limitations – 

Amendment / Implementation 

Manufacturer(s): Jetstream Aircraft Ltd, British Aerospace Regional Aircraft Ltd, British 

Aerospace (Operations) Ltd and British Aerospace (Commercial Aircraft) Ltd. 

Applicability: Jetstream 4100 aeroplanes, all models, all serial numbers. 

Reason: The Jetstream J41 Aircraft Maintenance Manual (AMM), includes the following 

chapters: 

05-10-10 “Airworthiness Limitations”, 

05-10-20 “Certification Maintenance Requirements”, and, 

05-10-30 “Critical Design Configuration Control Limitations (CDCCL) – Fuel 

System”. 

The maintenance tasks and limitations contained in these chapters have been 

identified as mandatory actions for continued airworthiness and EASA issued 

AD 2010-0098 to require operators to comply with those instructions. 

Since that AD was issued, BAE Systems (Operations) Ltd issued Revision 37 

of the AMM amending Chapter 05-10-10 to revise and reduce the life limit of 

certain main landing gear components. In addition, Revision 38 of the AMM 

was issued to amend Chapters 05-10-00 and 05-10-10 introducing inspections 

to be accomplished after implementation of some repairs affecting fatigue 

strength of critical structure. Failure to comply with the new and more restrictive 

actions could result in an unsafe condition. 

For the reasons described above, this AD, which supersedes EASA AD 

2010-0098, requires implementation of the maintenance requirements and/or 
EASA AD No.: 2014-0043

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airworthiness limitations as specified in the defined parts of Chapter 05 of the 

AMM at Revision 38. 

Effective Date: 07 March 2014 

Required Action(s) 

and Compliance 

Time(s): 

Required as indicated, unless accomplished previously: 

(1) From the effective date of this AD, accomplish the following actions, in 

accordance with the instructions as specified in BAE Systems (Operations) 

Limited Jetstream J41 AMM Revision 38, as listed in Table 1 of this AD: 

(1.1) Replace each component before exceeding the applicable life limit, 

and 

(1.2) Within the thresholds and intervals, accomplish all applicable 

maintenance tasks, and 

(1.3) Ensure the continuing airworthiness of the aeroplane by compliance 

with each CDCCL – Fuel System item. 

Table 1 AMM chapters 

Chapter No. Chapter name 

05-10-10 Airworthiness Limitations 

05-10-20 Certification Maintenance Requirements 

05-10-30 CDCCL – Fuel System 

(2) Compliance with the requirements of paragraph (1) of this AD can be 

demonstrated by: 

(2.1) Revising as follows, the approved Aircraft Maintenance Programme 

(AMP) on the basis of which the operator or the owner ensures the 

continuing airworthiness of each operated aeroplane: 

 Incorporate all applicable maintenance tasks, airworthiness 

limitations and CDCCL – Fuel System items included in the chapters 

of BAE Systems (Operations) Limited Jetstream J41 AMM at 

Revision 38, as listed in Table 1 of this AD, and, 

(2.2) Complying with the approved AMP described in paragraph (2.1) of 

this AD. 

Ref. Publications: BAE Systems (Operations) Limited Jetstream J41 AMM, at Revision 38, dated 

15 September 2013. 

The use of later approved revisions of this document 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. This AD was posted on 17 January 2014 as PAD 14-014 for consultation 

until 14 February 2014. No comments were received during the 

consultation period. 

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

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

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

this AD, please contact: 

BAE Systems (Operations) Ltd, Customer Information Department, 

Prestwick International Airport, Ayrshire, KA9 2RW, Scotland, The United 

Kingdom; Telephone +44 1292 675207, Facsimile +44 1292 675704; 

E-mail: RApublications@baesystems.com.