Airworthiness directives › 2012-06-20
AD 2012-06-20 Airworthiness Directives; Fokker Services B.V. Airplanes
Models named: F.28 Mark 0070, 0100. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Fokker Services B.V. Model F.28 Mark 0070 and 0100 airplanes, certificated in any category, serial numbers 11244 through 11585 inclusive.
Compliance
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done.
Required actions
Within 24 months after the effective date of this AD, modify the crossfeed valve control and power supply, the crossfeed indication logic and power supply, and the indication logic for the fuel fire shutoff valve, in accordance with the Accomplishment Instructions of Fokker Service Bulletin SBF100-28-047, Revision 3, dated May 2, 2011, including the attachments specified in paragraphs (g)(1) through (g)(39) of this AD (*the issue date is not specified on the drawing). (1) Fokker Manual Change Notification—Operational Documentation MCNO-F100-060, dated June 10, 2011. (2) Fokker Manual Change Notification—Operational Document MCNO-F100-049, Revision 1, dated May 30, 2011. (3) Fokker Drawing D42770, Sheet 6, Issue U*. (4) Fokker Drawing D42780, Sheet 6, Issue T*. (5) Fokker Drawing W41074, Sheet 100, Issue GB*. (6) Fokker Drawing W41074, Sheet 101, Issue FW*. (7) Fokker Drawing W41194, Sheet 010, Issue J*. (8) Fokker Drawing W41194, Sheet 011, Issue U*. (9) Fokker Drawing W41194, Sheet 012, Issue J*. (10) Fokker Drawing W41194, Sheet 013, Issue U*. (11) Fokker Drawing W41194, Sheet 014, Issue S*. (12) Fokker Drawing W41194, Sheet 015, Issue U*. (13) Fokker Drawing W41194, Sheet 017, Issue Q*. (14) Fokker Drawing W41194, Sheet 019, Issue S*. (15) Fokker Drawing W41194, Sheet 020, Issue S*. (16) Fokker Drawing W41319, Sheet 063, Issue DY*. (17) Fokker Drawing W41319, Sheet 064, Issue DY*. (18) Fokker Drawing W41319, Sheet 065, Issue DY*. (19) Fokker Drawing W41319, Sheet 066, Issue DY*. (20) Fokker Drawing W41319, Sheet 067, Issue DW*. (21) Fokker Drawing W41319, Sheet 068, Issue DW*. (22) Fokker Drawing W41319, Sheet 069, Issue DY*. (23) Fokker Drawing W41319, Sheet 070, Issue DW*. (24) Fokker Drawing W41319, Sheet 071, Issue DY*. (25) Fokker Drawing W41319, Sheet 072, Issue DW*. (26) Fokker Drawing W41319, Sheet 073, Issue DW*. (27) Fokker Drawing W41319, Sheet 074, Issue DY*. (28) Fokker Drawing W46211, Sheet 71, Issue DL, dated April 21, 2009. (29) Fokker Drawing W46211, Sheet 74, Issue DN, dated July 16, 2010. (30) Fokker Drawing W46254, Sheet 30, Issue BL, dated March 30, 2009. (31) Fokker Drawing W46254, Sheet 31, Issue BL, dated March 30, 2009. (32) Fokker Drawing W46254, Sheet 32, Issue BL, dated March 30, 2009. (33) Fokker Drawing W46254, Sheet 33, Issue BL, dated March 30, 2009. (34) Fokker Drawing W46254, Sheet 34, Issue BL, dated March 30, 2009. (35) Fokker Drawing W46254, Sheet 35, Issue BL, dated March 30, 2009. (36) Fokker Drawing W46254, Sheet 36, Issue BL, dated March 30, 2009. (37) Fokker Drawing W46254, Sheet 37, Issue BP, dated March 30, 2009. (38) Fokker Drawing W59221, Sheet 161, Issue FC, July 9, 2010. (39) Fokker Drawing W59221, Sheet 162, Issue FC, July 9, 2010.
Unsafe condition
This AD was prompted by a report that the fuel crossfeed valves cannot be controlled when only emergency electrical power is available, that an unwanted configuration of the indication logic for the fuel fire shutoff valve was introduced during production, and that current fuel crossfeed indications are based on selection by the flightcrew instead of actual position of the crossfeed valve actuators. We are issuing this AD to prevent failure of an in-flight engine re-light following a double engine flame-out event, which could result in loss of the airplane.
Affected ADs
None.
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