Airworthiness directives › 2019-03-06
AD 2019-03-06 Airworthiness Directives; The Boeing Company Airplanes
Models named: 737-300, -400, -500 series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to The Boeing Company Model 737-300, -400, and -500 series airplanes, certificated in any category, as identified in the service information specified in paragraphs (c)(1) and (c)(2) of this AD. (1) Boeing Service Bulletin 737-25-1728, dated October 10, 2016. (2) Boeing Requirements Bulletin 737-25-1758 RB, dated November 8, 2017.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) For airplanes identified in Boeing Service Bulletin 737-25-1728, dated October 10, 2016: Except as required by paragraph (h)(1) of this AD, at the applicable times specified in paragraph 1.E., “Compliance,” of Boeing Service Bulletin 737-25-1728, dated October 10, 2016, do all applicable actions identified as “RC” (required for compliance) in, and in accordance with, the Accomplishment Instructions of Boeing Service Bulletin 737-25-1728, dated October 10, 2016. (2) For airplanes identified in Boeing Requirements Bulletin 737-25-1758 RB, dated November 8, 2017: Except as required by paragraph (h)(2) of this AD, at the applicable times specified in the “Compliance” paragraph of Boeing Requirements Bulletin 737-25-1758 RB, dated November 8, 2017, do all applicable actions identified in, and in accordance with, the Accomplishment Instructions of Boeing Requirements Bulletin 737-25-1758 RB, dated November 8, 2017. Note 1 to paragraph (g)(2) of this AD: Guidance for accomplishing the actions required by paragraph (g)(2) of this AD can be found in Boeing Service Bulletin 737-25-1758, dated November 8, 2017, which is referred to in Boeing Requirements Bulletin 737-25-1758 RB, dated November 8, 2017.
Unsafe condition
This AD was prompted by a report indicating the passenger service units (PSUs) became separated from their attachments during several survivable accident sequences. We are issuing this AD to address the PSU becoming detached and falling into the cabin, which could lead to passenger injuries and impede egress during an evacuation.
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