Airworthiness directives › 2012-11-15
AD 2012-11-15 Airworthiness Directives; BAE SYSTEMS (Operations) Limited Airplanes
Models named: 4101. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to BAE SYSTEMS (Operations) Limited Model 4101 airplanes, certificated in any category, all models, and all serial numbers.
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 300 flight hours after the effective date of this AD, or before further flight if a fuel leak is detected in the vicinity of a wing rear spar, whichever occurs first: Do a detailed inspection for cracks, corrosion, and other defects (defects include scratches, dents, holes, damage to fastener holes, or damage to surface protection and finish) of the rear face of the wing rear spars, in accordance with the Accomplishment Instructions of BAE SYSTEMS (Operations) Limited Alert Service Bulletin J41-A57-029, dated May 6, 2011. (1) If any cracking, corrosion, or other defect is found to be within the criteria defined in Subject 57-00-00, Wings General, of Chapter 57, Wings, of the Jetstream Series 4100 Structural Repair Manual, Volume 1, Revision 30, dated April 15, 2007: Before further flight, repair the damage, in accordance with the repair instructions specified in Subject 57-00-00, Wings General, of Chapter 57, Wings, of the Jetstream Series 4100 Structural Repair Manual, Volume 1, Revision 30, dated April 15, 2007. (2) If any cracking, corrosion, or other defect is found exceeding the criteria as specified in Subject 57-00-00, Wings General, of Chapter 57, Wings, of the Jetstream Series 4100 Structural Repair Manual, Volume 1, Revision 30, dated April 15, 2007: Before further flight, repair the condition, in accordance with a method approved by the Manager, International Branch, ANM-116, Transport Airplane Directorate, FAA, or EASA (or its delegated agent).
Unsafe condition
This AD was prompted by reports of cracking found in the wing rear spar. We are issuing this AD to detect and correct cracking in the rear spar, which could propagate to a critical length, possibly affecting the structural integrity of the area and resulting in a fuel tank rupture, with consequent damage to the airplane and possible injury to its occupants.
Affected ADs
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