Airworthiness directives › 2005-24-07
AD 2005-24-07 Airworthiness Directives; Pacific Aerospace Corporation Ltd. Model 750XL Airplanes
Makes named: pacific aerospace. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
(c) This AD affects Model 750XL, serial numbers 101 through 115, that are certificated in any category.
Required actions
(e) To address this problem, you must do the following: Actions Compliance Procedures (1) Inspect the left and right outer panel, paired center wing lugs, and the outer panel single lugs for damage (scoring or gouging) Upon accumulating 300 hours time-in-service (TIS) or within 50 hours TIS after December 29, 2005 (the effective date of this AD), whichever occurs later Follow Pacific Aerospace Corporation Ltd. Mandatory Service Bulletin PACSB/XL/015, Issue 3, amended April 8, 2005. (2) Inspect the left and right outer panel, paired center wing lugs, and the outer panel single lugs for cracks. You must use a fluorescent penetrant inspection procedure instead of the dye penetrant inspection procedure stated in the service information Upon accumulating 300 hours TIS or within 50 hours TIS after December 29, 2005 (the effective date of this AD), whichever occurs later Follow Pacific Aerospace Corporation Ltd. Mandatory Service Bulletin PACSB/XL/015, Issue 3, amended April 8, 2005. (3) If any damage and/or cracks are found during the inspections required in paragraph (e)(1) and (e)(2) of this AD, you must replace the lugs Prior to further flight, after any inspection where damage and/or cracks are found Follow Pacific Aerospace Corporation Ltd. Mandatory Service Bulletin PACSB/XL/015, Issue 3, amended April 8, 2005. (4) Inspect the left and right wing paired lugs for parallel spacing within 0.010 inches. If the paired lugs are not parallel within 0.010 inches, reshim outer wing attachment points and correct spacing Inspect upon accumulating 300 hours TIS or within 50 hours TIS after December 29, 2005 (the effective date of this AD), whichever occurs later. Correct spacing and reshim prior to further flight after the inspection Follow Pacific Aerospace Corporation Ltd. Mandatory Service Bulletin PACSB/XL/015, Issue 3, amended April 8, 2005.
Unsafe condition
(d) This AD is the result of incorrect sizing of the attachment lug spacers causing the lugs to distort when the attachment bolt is tightened. Also, outer wing attachment lugs were used to secure the spar in the wing build jig without spacers. This may have bent the clevis legs outward. These two problems may cause cracking and/or degradation of fatigue life. The actions specified in this AD are intended to prevent structural failure of the outer panel and spar due to a cracked, bent, or distorted condition of the left and right outer panel attachment lugs; and incorrect spacing of the left and right outer panel attachment lugs. This failure could lead to loss of control of the airplane.
Affected ADs
(b) None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1