Document ID: chunk:federal_register_of_legislation:F2007L02412:body:0:p2
Version: federal_register_of_legislation:F2007L02412
Segment Type: other
Provision Reference: 
Character Range: 8539–11731

Honeywell Alert Service Bulletin (ASB) 7510700-23-A0048 dated 27 January 2006 and, as necessary, ASB
                7517400-23-A6015 Revision 001 dated 29 July 2005 is an acceptable alternative to the Requirement1.b.modification.
                     c. Replace the XS-852E/F Mode S transponder of the COM unit with a new or modified XS-852E/F Mode S transponder that has MOD V installed, in accordance with Honeywell Alert Service Bulletin 7510700-23-A0047 Revision 001, dated July 29, 2005.
                   2. For aircraft equipped with Honeywell XS-856A, XS-856B or XS-857A Mode S Transponder Units, with P/Ns listed in the applicability section of this Directive:
                     a. Unless already accomplished in accordance with Requirement 1.a. - Amend the applicable Aircraft Flight Manual (AFM) by inserting the following statement into the Normal Procedures Section:
                        "After completion of any 4096 ATC Code change (also referred to as Mode A Code), check the status of the transponder.  If the transponder indicates that it is in standby mode, re-select the desired mode (i.e. the transponder should be in the active mode)."
                Amendment of the AFM Normal Procedures Section may be accomplished by inserting a copy of this Directive into the AFM.
                     b. Unless already accomplished, replace the modification plate of the transponder with a new plate and test the transponder, in accordance with the Accomplishment Instructions of Honeywell ASB 7517400-23-A0017, dated 23 January 2006.
                     c. If the transponder fails the test specified in Requirement 2.b., install MOD Y into the transponder as specified in Requirement 2.d.

                  d. Install MOD Y into the applicable Mode S transponder, in accordance with the Accomplishment Instructions of Honeywell ASB 7517400-23-A6016, dated 30 August 2005.
                3. Remove the AFM amendment inserted in compliance with either Requirement 1.a. or 2.a.
                4. COM units and Mode S Transponder units with P/Ns listed in the applicability section of this Directive may not be may not be installed on any aircraft, as a replacement spare, unless the applicable software modification has been installed in the transponder in accordance with Requirements 1.c. or 2.d.
             Note 3:  FAA AD 2006-19-04 Amdt 39-14761 and EASA AD 2007-0156, corrected 14 June 2007, refer.
Compliance:  For Requirement 1.a. - Within 10 days after the effective date of this Directive.
             For Requirement 1.b. - Within 30 days after the effective date of this Directive.
             For Requirement 1.c. - Concurrent with the modification or replacement in accordance with Requirement 1.b., but no later than nine months after the effective date of this Directive.
             For Requirement 2.a. - Within 10 days after the effective date of this Directive.
             For Requirement 2.b. - Within nine months after the effective date of this Directive.
             For Requirement 2.c - Before further flight after the test specified in Requirement 2.b.
             For Requirement 2.d. - Before or concurrent with Requirement 2.a.