EASA AD No.: 2011-0222-E

EASA Form 111 Page 1/3

EASA EMERGENCY AIRWORTHINESS DIRECTIVE

AD No.: 2011-0222-E

Date: 15 November 2011

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 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 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].

Type Approval Holder’s Name:

BRP-Powertrain GmbH & Co. KG

Type/Model designation(s):

Rotax 912 and 914 series engines

TCDS Numbers : EASA.E.121, EASA.E.122

Foreign AD : Not applicable

Supersedure : None

ATA 72 Engine – Crankshaft – Inspection

Manufacturer(s): BRP-Powertrain GmbH & Co. KG, BRP-Rotax GmbH & Co. KG; BombardierRotax GmbH & Co. KG; Bombardier-Rotax GmbH

Applicability: Rotax 912 A1, 912 A2, 912 A3 and 912 A4 engines, all serial numbers (s/n).

Rotax 912 F2, 912 F3 and 912 F4 engines, all s/n.

Rotax 912 S2, 912 S3 and 912 S4 engines, all s/n.

Rotax 914 F2, 914 F3 and 914 F4 engines, all s/n.

These engines are known to be installed on, but not limited to, the following 

types of aeroplanes: 3-i Sky Arrow 650 TC, 650 TCN, 650 TCNS and 710 RG; 

Aeromot AMT-200 Super Ximango and AMT-300 Turbo Super Ximango; 

Aircraft Philipp (formerly Alpla-Werke; Nitsche) AVO 68 series Samburo; 

Aquila AT01; Cessna 150 and A150 series; and (Reims) F150 and FA150 

series; Diamond (formerly HOAC) H 36 Dimona, HK 36 series Super Dimona, 

DV 20 Katana and DA20-A1 Katana; Evektor-Aerotechnik EV-97 VLA; Grob G 

109; Issoire APM-20 Lionceau; Scheibe SF 36R and SF 25C; Stemme S10-

VT; Tecnam P 92-J, P 92-JS and P2002-JF; W.D. Aircraft D4 Fascination.

Note: The installation of these engines was either done by the respective 

aeroplane manufacturer or through modification of the aeroplane by 

Supplemental Type Certificate.

Reason: During a production process review, a deviation in the manufacturing process of 

certain Part Number (P/N) 888164 crankshafts has been detected, which may 

have resulted in a latent defect.
EASA AD No.: 2011-0222-E

EASA Form 111 Page 2/3

The affected crankshafts, identified by s/n in Appendix 1 of this AD, have been 

installed on a limited number of engines, but some crankshaft sets have also 

been shipped as spare parts.

This condition, if not corrected, could lead to crack formation on the power take 

off side of the crankshaft journal, possibly resulting in failure of the crankshaft 

support bearing, in-flight engine shutdown and forced landing, damage to the 

aeroplane and injury to occupants.

For the reasons described above, this AD requires the identification and 

inspection for cracks of all affected crankshafts and, depending on findings,

corrective action.

This AD also prohibits installation of an affected crankshaft on an engine, or 

installation of engine with an affected crankshaft installed on an aeroplane, 

unless the crankshaft has passed the inspection as required by this AD.

Effective Date: 17 November 2011

Required Action(s) 

and Compliance

Time(s)

Required as indicated, unless accomplished previously:

(1) Within 4 flight hours or 30 days, whichever occurs first after the effective 

date of this AD, accomplish the following actions concurrently:

(1.1) Identify the s/n of the P/N 888164 crankshaft installed on the engine. 

The affected P/N 888164 crankshafts are identified by s/n in 

Appendix 1 of this AD. Engines that are known have had an affected 

crankshaft installed, as delivered by BRP-Powertrain, are also 

identified by engine s/n in BRP-Powertrain Alert Service Bulletin ASB912-059 and ASB-914-042 (single document), as applicable to 

engine type.

(1.2) If the s/n of the crankshaft, identified as required by paragraph (1.1) 

of this AD, is listed in Appendix 1 of this AD, inspect the crankshaft 

for cracks, in accordance with the instructions of Section 3 of BRPPowertrain ASB-912-059 or ASB-914-042, as applicable to engine 

type.

(2) If, during the inspection as required by paragraph (1.2) of this AD, cracks 

are detected, before next flight, contact BRP-Powertrain for approved 

instructions and accomplish those instructions accordingly.

(3) From the effective date of this AD, do not install an engine, having an 

affected P/N 888164 crankshaft installed, identified by s/n in Appendix 1 of 

this AD, on an aeroplane, unless the crankshaft has passed the inspection 

as required by paragraph (1.2) of this AD.

(4) From the effective date of this AD, do not install an affected P/N 888164 

crankshaft, identified by s/n in Appendix 1 of this AD, on an engine, unless 

the crankshaft has passed the inspection as required by paragraph (1.2) of 

this AD.

Ref. Publications: BRP-Powertrain Mandatory SB-912-059 and SB-914-042 (same document) 

dated 15 November 2011.

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.
EASA AD No.: 2011-0222-E

EASA Form 111 Page 3/3

2. The safety assessment has requested not to implement the full consultation 

process and an immediate publication and notification.

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 aspects of the requirements in 

this AD, please contact:

BRP-Powertrain GmbH & Co. KG

Telephone: +43 7246 601 0; Fax: +43 7246 601 9130;

E-mail: airworthiness@brp.com,

Website www.rotax-aircraft-engines.com.

Appendix 1 – Affected P/N 888164 crankshafts

40232 40236 40238

40241 and 40242 40245 40248

40256 and 40257 40259 40264 and 40265

40267 40300 40302 and 40303

40310 40329 40335

40337 40349 40358 and 40359

40361 40373 40422 thru 40424 inclusive

40426 40428 thru 40430 inclusive 40432

40435 and 40436 40438 thru 40447 inclusive 40450

40453 40455 and 40456 40461 thru 40464 inclusive

40466 40469 40477 and 40478

40480 40486 40488

40507