Airworthiness directives › 2012-13-51
AD 2012-13-51 Airworthiness Directives; Gulfstream Aerospace LP (Type Certificate Previously Held by Israel Aircraft Industries, Ltd.) Airplanes
Models named: Gulfstream G150. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Gulfstream Aerospace LP (Type Certificate previously held by Israel Aircraft Industries, Ltd.) Model Gulfstream G150 airplanes, certificated in any category, serial numbers 201 through 290 inclusive.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Before further flight: Do a one-time detailed or borescope inspection of the left- and right-hand inboard vent holes for debris and obstructions, in accordance with the Accomplishment Instructions of Gulfstream G150 Alert Service Bulletin 150-28A-146, dated June 22, 2012. If any debris or obstruction is found, before further flight, repair in accordance with a method approved by either the Manager, International Branch, ANM-116, Transport Airplane Directorate, FAA; or the Civil Aviation Authority of Israel (CAAI) (or its delegated agent).
Unsafe condition
This AD was prompted by a report indicating that an inboard vent tube hole was completely covered with sealant, which blocked airflow through the vent. Under these conditions, the rise of internal pressure during pressure fueling or due to thermal expansion is sufficient to damage the wing. We are issuing this AD to detect and correct compromised integrity of the wing structure.
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