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Airworthiness directives › 2016-04-18

AD 2016-04-18 Airworthiness Directives; The Boeing Company Airplanes

2016-04-05
2016-03-01
39-18412
FAA-2015-1270
Airframe
—

Models named: 747-100, -200B, -200C, -200F, -300, -400, -400D, -400F series. Read the applicability below — it usually turns on serial or part numbers too.

Applicability*9

This AD applies to The Boeing Company Model 747-100, -200B, -200C, -200F, -300, -400, -400D, and -400F series airplanes; certificated in any category, as identified in Boeing Alert Service Bulletin 747-53A2876, dated October 22, 2014.

Compliance

Comply with this AD within the compliance times specified, unless already done.

Required actions

At the applicable time specified in tables 1 and 2 of paragraph 1.E., “Compliance,” of Boeing Alert Service Bulletin 747-53A2876, dated October 22, 2014, except as provided by paragraph (j)(1) of this AD, do a detailed inspection of the fuselage skin under the dorsal fairing for wear or cracks, and do all applicable related investigative and corrective actions, in accordance with the Accomplishment Instructions of Boeing Alert Service Bulletin 747-53A2876, dated October 22, 2014, except as provided by paragraph (i) of this AD and except as required by paragraph (j)(2) of this AD. Do all applicable related investigative and corrective actions at the time specified in paragraph 1.E., “Compliance,” of Boeing Alert Service Bulletin 747-53A2876, dated October 22, 2014. Repeat the applicable inspections of the fuselage skin thereafter at the applicable times specified in paragraph 1.E., “Compliance,” of Boeing Alert Service Bulletin 747-53A2876, dated October 22, 2014.

Unsafe condition

This AD was prompted by reports of significant fuselage skin damage at the dorsal fairing forward of station (STA) 2280 due to wear from the dorsal fairing. We are issuing this AD to detect and correct fuselage skin damage of the dorsal fairing area, which could result in skin cracking and consequent depressurization of the airplane.

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