EASA AD No.: 2013-0282-E 

TE.CAP.00111-003 © European Aviation Safety Agency. All rights reserved. 1/2 

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EASA EMERGENCY AIRWORTHINESS DIRECTIVE 

AD No.: 2013-0282-E 

Date: 27 November 2013 

Note: This Emergency 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 21A.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: 

AGUSTAWESTLAND S.p.A. 

Type/Model designation(s): 

AB 212, AB 412 and AB 412EP helicopters 

TCDS Number: ENAC Italy A 157 

Foreign AD: Not applicable 

Supersedure: None 

ATA 63 Rotor Drive(s) – Lubricating System / Oil Outlet Hose – Inspection 

Manufacturer(s): AgustaWestland S.p.A. (formerly Agusta S.p.A.) 

Applicability: AB 212, AB 412 and AB412EP helicopters, all manufacturer serial numbers 

Reason: Two occurrences were reported to AgustaWestland, describing oil leakage of a 

main transmission lubricating system oil outlet hose part number (P/N) 

70-061L275W210A, due to damage of the oil hose. Subsequent investigation 

has not yet determined the root cause, however a relative movement between 

the data plate and hose assembly was identified as a possible contributing 

factor to the occurrence. 

This condition, if not detected and corrected, could lead to transmission 

lubricating system failure, resulting in reduced control of a helicopter. 

To address this potential unsafe condition, AgustaWestland issued Bollettino 

Tecnico (BT) 212-204 for AB 212 helicopters, and BT 412-137 for AB 412 and 

AB 412EP helicopters, to provide inspection instructions. 

For the reasons described above, this AD requires repetitive inspections of 

affected oil outlet hose, and depending on findings, replacement of oil outlet 

hose. This AD is considered to be a temporary measure and further mandatory 

actions may follow. 

Effective Date: 29 November 2013 
EASA AD No.: 2013-0282-E 

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Required Action(s) 

and Compliance 

Time(s): 

Required as indicated, unless accomplished previously: 

(1) Within 10 flight hours (FH) after the effective date of this AD, and thereafter 

at intervals not to exceed 100 FH inspect the transmission oil outlet hose 

P/N 70-061L275W210A in accordance with the instructions of Part I of 

AgustaWestland BT 212-204 or BT 412-137, as applicable to helicopter 

model. 

(2) Within 35 FH after the effective date of this AD, and thereafter, at intervals 

not to exceed 25 FH, inspect the transmission oil outlet hose P/N 

70-061L275W210A in accordance with the instructions of Part II of 

AgustaWestland BT 212-204 or BT 412-137, as applicable to helicopter 

model. 

(3) If during any inspection, as required by paragraph (1) or (2) of this AD, any 

damage is detected, as identified in AgustaWestland BT 212-204 or 

BT 412-137, as applicable to helicopter model, before next flight, replace 

the transmission oil outlet hose part number P/N 70-061L275W210A with a 

serviceable part in accordance with AgustaWestland BT 212-204 or BT 

412-137, as applicable to helicopter model. 

(4) From the effective date of this AD, installation of a transmission oil outlet 

hose P/N 70-061L275W210A on a helicopter is allowed, provided the 

transmission oil outlet hose is inspected, and depending on findings, 

corrected in accordance with requirements of this AD. 

Ref. Publications: AgustaWestland BT 212-204 original issue, dated 26 November 2013, 

AgustaWestland BT 412-137 original issue, dated 26 November 2013. 

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 results of the safety assessment have indicated the need for 

immediate publication and notification, without the full public consultation 

process. 

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: 

AgustaWestland S.p.A, Customer Support & Services – Italy, 

Product Support Engineering Dpt., Via del Gregge, 100, 

21015 Lonate Pozzolo (VA) – ITALY 

Tel.: +39 0331 664905, Fax: +39 0331 664684. 

E-mail: absereng@agustawestland.com.