# Hartzell Alert Service Bulletin HC-ASB-61-338

Copy: Revision 1 ("U.S. DOT/FAA - Service Information"), 14 pages: PDF https://openairdocs.org/files/sha256/4d/ed/4dedbec0237001b7f1830d54216f8b56872d6709af7168f13e3c7898e1f4fe0e; text https://openairdocs.org/service-documents/hartzell/hc-asb-61-338/file/4dedbec02370.md. Rights: © Hartzell. Filed by the FAA in regulations.gov docket FAA-2013-0130, the docket of AD 2013-15-04. Not covered by OpenAirDocs’ CC0 dedication.

## Details

- Manufacturer: [Hartzell](https://openairdocs.org/service-documents/hartzell.md)
- Type: Service bulletin (Alert Service Bulletin)
- Number: HC-ASB-61-338
- Latest revision known: HC-ASB-61-338, Revision 1, dated December 18, 2012 (OpenAirDocs)
- Page: https://openairdocs.org/service-documents/hartzell/hc-asb-61-338

## ADs that cite it (1) (OpenAirDocs)

Newest first, with the revision each names, as OpenAirDocs read it from the AD's text.

- [AD 2013-15-04](https://openairdocs.org/ad/2013-15-04.md), effective Aug 30, 2013: No revision named

Also cited in [1 proposed AD](https://openairdocs.org/service-documents/hartzell/hc-asb-61-338/proposed.md), [1 NTSB investigation](https://openairdocs.org/service-documents/hartzell/hc-asb-61-338/ntsb.md).

## Text (14 pages)

Rights: © Hartzell. Filed by the FAA in regulations.gov docket FAA-2013-0130, the docket of AD 2013-15-04. Not covered by OpenAirDocs’ CC0 dedication. Each page's text from the PDF; open the PDF at a page with #page=N.

### Page 1

HARTZELL PROPELLER INC.
ALERT SERVICE BULLETIN
TRANSMITTAL SHEET
HC-ASB-61-338
Propeller - Inspection of B-119-2 Diaphragm
December 18, 2012
This page transmits a revision to Alert Service Bulletin HC-ASB-61-338.
 • Original Issue, dated Nov 07/12
 • Revision 1, dated Dec 18/12
 
        
Propeller assemblies that have previously complied with the inspections required in a 
previous version of this Alert Service Bulletin are affected.
FAA approval has been obtained on technical data in this publication that affects type design.
Changes are shown by a change bar in the left margin of the revised pages.
This revision(s) is issued to change the following in the Alert Service Bulletin:
 - Revision 1 adds the requirement to replace the original design B-119-2 
diaphragm with a new redesigned B-119-2 diaphragm
This Alert Service Bulletin is reissued in its entirety.

### Page 2

HARTZELL PROPELLER INC.
ALERT SERVICE BULLETIN
TRANSMITTAL SHEET
HC-ASB-61-338
Propeller - Inspection of B-119-2 Diaphragm
(This page is intentionally blank.)

### Page 3

HARTZELL PROPELLER INC.
ALERT SERVICE BULLETIN
HC-ASB-61-338
Propeller - Inspection of B-119-2 Diaphragm
Nov 02/12 HC-ASB-61-338 
Revision 1, dated Dec 18/12 Page 1 of 8
1. Planning Information 
A. Effectivity
(1) Hartzell Propeller Inc. steel hub propeller models HC-(1,D)2(X,V,MV)20-7,  
HC-(1,D)2(X,V,MV)20-8, and HC-(1,D)3(X,V,MV)20-8 with the original design 
B-119-2 diaphragm that did not include a tab for identification, are affected by 
this Alert Service Bulletin.
CAUTION: DO NOT USE OBSOLETE OR OUTDATED INFORMATION. PERFORM 
ALL INSPECTIONS OR WORK IN ACCORDANCE WITH THE 
MOST RECENT REVISION OF THIS ALERT SERVICE BULLETIN.  
INFORMATION CONTAINED IN THIS ALERT SERVICE BULLETIN MAY 
BE SIGNIFICANTLY CHANGED FROM EARLIER REVISIONS. FAILURE 
TO COMPLY WITH THIS ALERT SERVICE BULLETIN OR THE USE OF 
OBSOLETE INFORMATION MAY CREATE AN UNSAFE CONDITION 
THAT MAY RESULT IN DEATH, SERIOUS BODILY INJURY , AND/
OR SUBSTANTIAL PROPERTY DAMAGE. REFER TO THE SERVICE 
BULLETIN INDEX FOR THE MOST RECENT REVISION LEVEL OF THIS 
ALERT SERVICE BULLETIN. 
B. Concurrent Requirements
(1) Hartzell Propeller Inc. Service Bulletin HC-SB-61-217, HC-SB-61-331, Service 
Letter HC-SL-61-48A, and Airworthiness Directive 65-21-04, 85-14-10, and  
97-18-02 may be applicable.
(2) Additional service documents may apply to the components/propellers affected 
by this Alert Service Bulletin. Compliance with additional service documents 
may be necessary in conjunction with the completion of the Accomplishment 
Instructions in this Alert Service Bulletin. Refer to the Hartzell Propeller Inc. 
website at www.hartzellprop.com for a cross-reference of service documents.  
C. Reason
(1) Hartzell Propeller Inc. has received several reports of failure of the B-119-2 
diaphragm. 
(2) Failure of the B-119-2 diaphragm can quickly result in complete loss of engine 
oil and rapid engine shutdown with oil covering the windscreen.
(3) Revision 1 of this Alert Service Bulletin introduces the new B-119-2 diaphragm. 
The B-119-2 diaphragm has been redesigned to improve the service life of the 
diaphragm.
(4) Regulatory action is expected.
© 2012 - Hartzell Propeller Inc. - All rights reserved

### Page 4

HARTZELL PROPELLER INC.
ALERT SERVICE BULLETIN
HC-ASB-61-338
Propeller - Inspection of B-119-2 Diaphragm
Nov 02/12 HC-ASB-61-338 
Revision 1, dated Dec/12 Page 2 of 8
D. Description
(1) This document provides Instructions for Continued Airworthiness (ICA).
(2) The original issue of this Alert Service Bulletin required an initial and repetitive 
inspection of the B-119-2 diaphragm. 
(3) The original design B-119-2 diaphragm did not include a tab for identification.
(4) Revision 1 to this Alert Service Bulletin requires replacement of the original 
design B-119-2 diaphragm. 
(a) The redesigned B-119-2 diaphragm was designed with a tab located 
between two of the mounting tabs on the outside edge of the diaphragm. 
Refer to Figure 1.
NOTE: This tab will be marked with a batch/lot number.
(5) This Alert Service Bulletin requires that original design B-119-2 diaphragms in 
inventory or stock be removed and returned to Hartzell Propeller Inc.
(6) Labor for replacement of the affected original design B-119-2 diaphragm with 
the redesigned B-119-2 diaphragm will be covered under warranty. Refer to the 
Appendix of this Alert Service Bulletin.

### Page 5

HARTZELL PROPELLER INC.
ALERT SERVICE BULLETIN
HC-ASB-61-338
Propeller - Inspection of B-119-2 Diaphragm
Nov 02/12 HC-ASB-61-338 
Revision 1, dated Dec 18/12 Page 3 of 8
E. Compliance
(1) Within 30 days of the date of this Alert Service Bulletin, return any original design 
B-119-2 diaphragm in inventory or stock to Hartzell Propeller Inc. in accordance 
with the Accomplishments Instructions in the Alert Service Bulletin. Installation 
of any original design B-119-2 diaphragm in inventory or stock, is not permitted.
(2) Before next flight, perform the inspection specified in the Accomplishment 
Instructions in this Alert Service Bulletin on any installed original design B-119-2 
diaphragm.
(3) Repeat the inspection specified in the Accomplishment Instructions in this Alert 
Service Bulletin on any installed original design B-119-2 diaphragm at intervals 
not to exceed 10 flight hours or at next annual inspection, whichever occurs 
first.
(4) Replace an original design B-119-2 diaphragm within 10 hours of operation or 
at next annual, whichever occurs first.
(5) After initial replacement with a redesigned B-119-2 diaphragm, replace the 
B-119-2 diaphragm every 24 months or 250 hours of operation, whichever 
occurs first, regardless of design.
(6) Replacement of the original design B-119-2 diaphragm with a redesigned 
B-119-2 diaphragm is terminating action for the inspection specified in the 
Accomplishments Instructions of this Alert Service Bulletin.
F. Approval
(1) FAA approval has been obtained on technical data in this publication that 
affects type design.
G. Manpower
(1) Approximately 2 man hours are required for inspection of the diaphragm.
(2) Approximately 4 man hours are required for removal and installation of the 
diaphragm.
H. Weight and Balance
(1) Not changed

### Page 6

HARTZELL PROPELLER INC.
ALERT SERVICE BULLETIN
HC-ASB-61-338
Propeller - Inspection of B-119-2 Diaphragm
Nov 02/12 HC-ASB-61-338 
Revision 1, dated Dec/12 Page 4 of 8
Tab located between two 
of the mounting tabs on 
the outside edge of the 
diaphragm.
B-119-2 Redesigned Diaphragm
Figure 1

### Page 7

HARTZELL PROPELLER INC.
ALERT SERVICE BULLETIN
HC-ASB-61-338
Propeller - Inspection of B-119-2 Diaphragm
Nov 02/12 HC-ASB-61-338 
Revision 1, dated Dec 18/12 Page 5 of 8
I. Electrical Load Data
(1) Not changed
CAUTION: DO NOT USE OBSOLETE OR OUTDATED INFORMATION. PERFORM 
ALL INSPECTIONS OR WORK IN ACCORDANCE WITH THE MOST 
RECENT REVISION OF ALL DOCUMENTS.
J. References 
(1) Hartzell Propeller Inc. Owner's Manual 140 (61-00-40)
K. Other Publications Af fected
(1) None
2. Material Information
A. Material Necessary for Each Propeller/Component and Supplied by Hartzell 
Propeller Inc.
Part Number Description Qty
Redesigned B-119-2 Diaphragm 1

### Page 8

HARTZELL PROPELLER INC.
ALERT SERVICE BULLETIN
HC-ASB-61-338
Propeller - Inspection of B-119-2 Diaphragm
Nov 02/12 HC-ASB-61-338 
Revision 1, dated Dec/12 Page 6 of 8
3. Accomplishment Instructions
A. Original Design Diaphragm Inspection
NOTE: Inspection of a redesigned B-119-2 diaphragm is not required.
(1) Removal of the propeller from the aircraft and inspection in accordance with 
these instructions may be performed by an Airframe and Powerplant Mechanic 
or international equivalent.
(2) If applicable, remove the spinner dome in accordance with Hartzell Propeller 
Inc. Owner's Manual 140 (61-00-40).
(3) Remove the propeller from the aircraft in accordance with Hartzell Propeller Inc. 
Owner's Manual 140 (61-00-40).
(4) Inspection of the Original Design Diaphragm
(a) Remove the A-63(B) 20 spline shaft nut and the A-121 hex head bolt.
(b) Pull the C-112-( ) piston unit forward to permit visual inspection of the 
original design diaphragm.
(c) Visually inspect the original design diaphragm for cracking or crazing.
(5) If cracking or crazing is found, 
(a) Further flight is not permitted. 
(b) Contact Hartzell Propeller Inc.
(6) If cracking or crazing is not found, 
(a) Reassemble the components in accordance with Hartzell Propeller Inc. 
Owner's Manual 140 (61-00-40). 
(b) Install the propeller on the aircraft in accordance with Hartzell Propeller 
Inc. Owner's Manual 140 (61-00-140).
(7) Make an entry in the logbook of compliance with the initial inspection in 
accordance with this Alert Service Bulletin.

### Page 9

HARTZELL PROPELLER INC.
ALERT SERVICE BULLETIN
HC-ASB-61-338
Propeller - Inspection of B-119-2 Diaphragm
Nov 02/12 HC-ASB-61-338 
Revision 1, dated Dec 18/12 Page 7 of 8
B. Diaphragm Replacement
(1) At initial replacement, complete the Warranty/Compliance Form to order the 
replacement diaphragm and send the form to Hartzell Propeller Inc. Hartzell 
Propeller Inc. will provide a replacement diaphragm and labor coverage for the 
first replacement of the B-119-2 diaphragm. Refer to the Warranty/Compliance 
form for details.
(2) Removal of the propeller from the aircraft and replacement of the B-119-2 
diaphragm in accordance with these instructions may be performed by an 
Airframe and Powerplant Mechanic or international equivalent.
(3) If applicable, remove the spinner dome in accordance with Hartzell Propeller 
Inc. Owner's Manual 140 (61-00-40).
(4) Remove and replace the original design B-119-2 diaphragm in the hydraulic 
unit in accordance with Hartzell Propeller Inc. Owner's Manual 140 (61-00-40).
(5) Discard the original design B-119-2 diaphragm.
(6) Install the redesigned B-119-2 diaphragm so that the embossed side of the tab 
is facing the propeller and is visible after installation.
NOTE: The surface finish of the diaphragm may be shiny or dull or a 
combination of shiny and dull. The surface finish does not affect the 
installation of the diaphragm.
(7) Assemble the hydraulic unit and the propeller in accordance with Hartzell 
Propeller Inc. Owner's Manual 140 (61-00-40).
(8) Make an entry in the propeller logbook indicating compliance with this Alert 
Service Bulletin as terminating action for this Alert Service Bulletin.
(9) After the initial replacement, complete the Warranty/Compliance Form to 
indicate compliance and return the form to Hartzell Propeller Inc.
C. Contact Information
Hartzell Propeller Inc.
Attn.: Hartzell Product Support
One Propeller Place
Piqua, Ohio 45356-2634 USA
Phone: (001) 937.778.4379 
Fax: (001) 937.778.4391
E-mail: techsupport@hartzellprop.com

### Page 10

HARTZELL PROPELLER INC.
ALERT SERVICE BULLETIN
HC-ASB-61-338
Propeller - Inspection of B-119-2 Diaphragm
Nov 02/12 HC-ASB-61-338 
Revision 1, dated Dec/12 Page 8 of 8
(This page is intentionally left blank.)

### Page 11

HARTZELL PROPELLER INC.
ALERT SERVICE BULLETIN APPENDIX
HC-ASBA-61-338
Propeller - Inspection of B-119-2 Diaphragm
Nov 02/12 HC-ASBA-61-338 
Revision 1, dated Dec 18/12 Page 1 of 4
1. Eligibility
A. Hartzell Propeller Inc. steel hub propeller models HC-(1,D)2(X,V,MV)20-7,  
HC-(1,D)2(X,V,MV)20-8, and HC-(1,D)3(X,V,MV)20-8 are affected by this Alert 
Service Bulletin.
2. Recommended Service Facilities
A. Hartzell Propeller has a worldwide network of Recommended Service Facilities that 
are recommended by Hartzell Propeller for overhaul and repair of our products.
B.  Each service facility must meet standard FAA  requirements and additional Hartzell 
Propeller requirements before being recommended by Hartzell Propeller. Each 
service facility is audited by Hartzell Propeller Inc. to verify the continuation of the 
standards.
C.  Hartzell Propeller recommends that you use one of these service facilities when 
having your propeller overhauled or repaired.
D.  For a current list of Hartzell Propeller Inc. Recommended Service Facilities, contact 
Hartzell Product Support or refer to the Hartzell Propeller Inc. website at  
www.hartzellprop.com.
3. Special Pricing Program
A. Hartzell Propeller Inc. will supply ONE redesigned B-119-2 diaphragm for each 
affected propeller with the original design B-119-2 diaphragm installed. 
NOTE: Replacement of a redesigned diaphragm after the intial replacement of 
the original design diaphragm is not covered under Hartzell Propeller Inc. 
warranty.
B. Labor Charges
(1) Approximately 2 man hours are required for inspection of the original design 
diaphragm.
(2) Approximately 4 man hours are required for removal of the original design 
diaphragm and installation of the redesigned diaphragm.
Document No. HC-ASB-61-338     Date of Issue:   Nov 02/12 Revision:     1 Rev. Date:    Dec 18/12

### Page 12

HARTZELL PROPELLER INC.
ALERT SERVICE BULLETIN APPENDIX
HC-ASBA-61-338
Propeller - Inspection of B-119-2 Diaphragm
Nov 02/12 HC-ASBA-61-338 
Revision 1, dated Dec 18/12 Page 2 of 4
C. Replacement Diaphragm Administration
(1) Complete the attached Alert Service Bulletin W arranty/Compliance Form. 
(a) Mail, e-mail, or fax (preferred method) compliance form to the attention 
of the Alert Service Bulletin Coordinator as indicated on the Alert Service 
Bulletin Warranty/Compliance Form. 
NOTE: The completed Alert Service Bulletin Warranty/Compliance Form 
must be recived before an order for a replacement diaphragm 
will be entered.
(b) Upon receipt of the Alert Service Bulletin W arranty/Compliance Form, 
Hartzell Propeller Inc. will enter an order for the replacement redesigned 
diaphragm.
(c) For labor charges:
1 Complete the Alert Service Bulletin Warranty/Compliance Form to 
confirm replacement of the diaphragm.  
2 Mail, e-mail, or fax (preferred method) compliance form, to the 
attention of the Alert Service Bulletin Coordinator as indicated on the 
Alert Service Bulletin Warranty/Compliance Form. 
C. Hartzell Propeller Inc. Contact Information
(1) Please complete the Warranty/Compliance form on page 3 for each propeller 
assembly identified in paragraph 1.A. Effectivity, of this Alert Service Bulletin 
and fax or mail to:
Hartzell Propeller Inc. 
Attn.: Alert Service Bulletin 338 Coordinator 
One Propeller Place 
Piqua, Ohio 45356-2634 USA 
Phone: 937.778.4379   
Fax: 937.778.4391 (Intl. 001.937.778.4391) 
(2) The report form on page 3 is also available in electronic format on the Hartzell 
Propeller Inc. website.  Go to www.hartzellprop.com, Product Support, Recent 
Service Documents.   
Document No. HC-ASB-61-338     Date of Issue:   Nov 02/12 Revision:     1 Rev. Date:    Dec 18/12

### Page 13

HARTZELL PROPELLER INC.
ALERT SERVICE BULLETIN APPENDIX
HC-ASBA-61-338
Propeller - Inspection of B-119-2 Diaphragm
Nov 02/12 HC-ASBA-61-338 
Revision 1, dated Dec 18/12 Page 3 of 4
Warranty/Compliance Form
Hartzell Propeller Inc. will provide labor coverage of 2 man hours at $75.00 per hour for 
inspection of an affected B-119-2 diaphragm.
Hartzell Propeller Inc. will provide one B-119-2 diaphragm and labor coverage of 4 man 
hours at $75.00 per hour for replacement of an affected B-119-2 diaphragm.
Owner Information:  
Name:                                                                          Phone:                                                                             
Address:                                                                        Fax:                                                                                  
                                                                                        E-Mail:                                                                              
City:                                                                                Zip/Postal Code:                                                              
State:                                                                                Country:                                                                           
Service Facility:  
Company:                                                                      Phone:                                                                             
Contact Name:                                                                Fax:                                                                                  
Address:                                                                           E-Mail:                                                                                
                                                                                          
City:                                                                                    Zip/Postal Code:                                                                 
State:                                                                                  Country:                                                                                                
Signature indicating Inspection or Replacement of the Diaphragm: ________________________________
Propeller Model:                                                                   Propeller S/N:                                                                       
Labor for Inspection:         Yes              No
Order Replacement Diaphragm:        Yes              No Labor for Replacement:         Yes              No
Send this Warranty/Compliance Form to: 
  Hartzell Propeller Inc. Product Support 
  Fax:  (001) 937.778.4391 
  E-Mail:  warranty@hartzellprop.com
 
Hartzell use only - do not write below this line
Make Payment To:
Owner:                                 Service Facility:
Other Payee:
Name:                                                                          
Address:                                                                        
                                                                                        
City:                                                                                
State:                                                                                
Zip/Postal Code:                                                                 
Country:                                                                                                
Warranty #:                                                                 Authorized By:                                                             
Document No. HC-ASB-61-338     Date of Issue:   Nov 02/12 Revision:     1 Rev. Date:    Dec 18/12

### Page 14

HARTZELL PROPELLER INC.
ALERT SERVICE BULLETIN APPENDIX
HC-ASBA-61-338
Propeller - Inspection of B-119-2 Diaphragm
Nov 02/12 HC-ASBA-61-338 
Revision 1, dated Dec 18/12 Page 4 of 4
(This page intentionally left blank.)
Document No. HC-ASB-61-338     Date of Issue:   Nov 02/12 Revision:     1 Rev. Date:    Dec 18/12

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