Airworthiness directives › 2019-11-06
AD 2019-11-06 Airworthiness Directives; The Boeing Company Airplanes
Models named: 737-600, -700, -700C, -800, -900, -900ER series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
(1) This AD applies to The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes, certificated in any category, as identified in Boeing Alert Service Bulletin 737-53A1368, dated February 27, 2018. (2) Installation of Supplemental Type Certificate (STC) ST00830SE does not affect the ability to accomplish the actions required by this AD. Therefore, for airplanes on which STC ST00830SE is installed, a “change in product” alternative method of compliance (AMOC) approval request is not necessary to comply with the requirements of 14 CFR 39.17.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Except as required by paragraphs (h)(1) through (h)(5) of this AD: At the applicable times specified in paragraph 1.E., “Compliance,” of Boeing Alert Service Bulletin 737-53A1368, dated February 27, 2018, do all applicable actions identified as “RC” (required for compliance) in, and in accordance with, the Accomplishment Instructions of Boeing Alert Service Bulletin 737-53A1368, dated February 27, 2018.
Unsafe condition
This AD was prompted by reports of cracks in the skin and the station (STA) 540 bulkhead chord at the three fastener locations common to the drag link assembly at the STA 540 bulkhead chord. The FAA is issuing this AD to address cracking in the STA 540 bulkhead chord or skin, which could result in the inability of a primary structural element to sustain limit load. This condition, if not addressed, could result in possible rapid decompression and loss of structural integrity of the airplane.
Affected ADs
This AD affects AD 2013-19-23, Amendment 39-17605 (78 FR 61173, October 3, 2013) (“AD 2013-19-23”).
Read the original on the Federal Register →
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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