Superseded. This AD was superseded by AD 2017-06-01. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2017-03-04
Effective 03/28/2017 · Published 02/21/2017
Airworthiness Directives; The Boeing Company Airplanes
Summary
We are superseding Airworthiness Directive (AD) 2012-16-07 for certain The Boeing Company Model 737-500 series airplanes. AD 2012-16- 07 required inspections of the fuselage skin at the chem-milled steps, and repair if necessary. This new AD adds new inspections, permanent repairs of time-limited repairs, related investigative and corrective actions if necessary, and skin panel replacement. This AD was prompted by e…