Airworthiness Directive · Amendment 39-15993 · Fuel
Saab AB, Saab Aerosystems Model SAAB 340A (SAAB/SF340A) and SAAB 340B Airplanes
Saab AB, Saab Aerosystems Model SAAB 340A (SAAB/SF340A) and SAAB 340B airplanes; certificated in any category; all serial numbers.
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
Unless already done, do the following actions:
(1) Within 3 months after the effective date of this AD, inspect the illuminated placard of the refuel and defuel panel, part number (P/N) C4FL5031C001, for signs of heat and burn marks, in accordance with Saab Service Bulletin 340-28-027, Revision 01, dated July 7, 2008.
(2) If any sign of heat or burn marks are found, before further flight, replace the illuminated placard of the refuel and defuel panel with a new illuminated placard of the refuel and defuel panel, having part number C4FL5031C001, and marked with a manufacturer date before 31/97 (i.e., week 31 of 1997), or a manufacturing date of 37/07 (i.e., week 37 of 2007) or higher and marked `Amdt:A.', in accordance with Saab Service Bulletin 340-28-027, Revision 01, dated July 7, 2008.
(3) If no signs of heat and burn marks are found, within 12 months after accomplishing the inspection required by (f)(1) of this AD is done, replace the illuminated placard of the fuel and defuel panel with a new illuminated placard of the refuel and defuel panel, having part number C4FL5031C001, and marked with a manufacturer date before 31/97 (i.e., week 31 of 1997) or a manufacturing date of 37/07 (i.e., week 37 of 2007) or higher and marked `Amdt:A.', in accordance with Saab Service Bulletin 340-28-027, Revision 01, dated July 7, 2008.
(4) As of 15 months after the effective date of this AD, installing an illuminated placard of the refuel and defuel panel is prohibited on any airplane, unless it has a manufacturing date before 31/97, or unless it has a manufacturing date of 37/07 or higher and is marked `Amdt:A'.
(5) Actions accomplished before the effective date of this AD in accordance with Saab Service Bulletin 340-28-027, dated April 30, 2008, are considered acceptable for compliance with the corresponding actions specified in paragraphs (f)(1), (f)(2), and (f)(3) of this AD.
Note 1: This AD differs from the MCAI and/or service information as follows: No differences.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
Aircraft