Airworthiness Directive · Amendment 39-19810 · Wings
The Boeing Company Airplanes
(1) This AD applies to all The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes, certificated in any category.
(2) Installation of Supplemental Type Certificate (STC) ST01219SE does not affect the ability to accomplish the actions required by this AD. Therefore, for airplanes on which STC ST01219SE 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
The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This AD was prompted by a report of a fuel leak resulting from a crack on the left in-spar upper wing skin. This AD requires repetitive surface high frequency eddy current (HFEC) inspections of the left and right upper wing skin for any crack, repetitive general visual inspections of the upper wing skin in the adjacent rib bay areas for any crack, and applicable on-condition actions. The FAA is issuing this AD to address the unsafe condition on these products.
For airplanes identified as Group 1 in Boeing Alert Requirements Bulletin 737-57A1344 RB, dated February 18, 2019: Within 120 days after the effective date of this AD, do a surface high frequency eddy current (HFEC) inspection of the left and right upper wing skin and a general visual inspection of the upper wing skin in the adjacent rib bay areas for any crack, and do applicable on-condition actions, using a method approved in accordance with the procedures specified in paragraph (j) of this AD.
Except as specified by paragraph (i) of this AD: At the applicable times specified in the “Compliance” paragraph of Boeing Alert Requirements Bulletin 737-57A1344 RB, dated February 18, 2019, do all applicable actions identified in, and in accordance with, the Accomplishment Instructions of Boeing Alert Requirements Bulletin 737-57A1344 RB, dated February 18, 2019.
Note 1 to paragraph (h): Guidance for accomplishing the actions required by this AD can be found in Boeing Alert Service Bulletin 737-57A1344, dated February 18, 2019, which is referred to in Boeing Alert Requirements Bulletin 737-57A1344 RB, dated February 18, 2019.
(1) Where Boeing Alert Requirements Bulletin 737-57A1344 RB, dated February 18, 2019, uses the phrase “the original issue date of Requirements Bulletin 737-57A1344 RB,” this AD requires using “the effective date of this AD.”
(2) Where Boeing Alert Requirements Bulletin 737-57A1344 RB, dated February 18, 2019, specifies contacting Boeing for repair instructions: This AD requires doing the repair using a method approved in accordance with the procedures specified in paragraph (j) of this AD.
