AD 2012-08-17: Fuel Quantity Indicator

(1) This AD applies to The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes, certificated in any category, with an original airworthiness certificate or original export certificate of airworthiness issued before September 26, 2011, equipped with analog transient suppression devices (ATSDs) installed in accordance with Supplemental Type Certificate ST00146BO. http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgstc.nsf/0/2399C433BB10CF1085256CCB00601A12?OpenDocument&Highlight=st00146bo (2) This AD requires revisions to certain operator maintenance documents to include new actions (e.g., inspections and/or Critical Design Configuration Control Limitations (CDCCLs). Compliance with these actions is required by 14 CFR 91.403(c). For airplanes that have been previously modified, altered, or repaired in the areas addressed by these inspections, the operator may not be able to accomplish the inspections described in the revisions. In this situation, to comply with 14 CFR 91.403(c), the operator must request approval for an alternative method of compliance (AMOC) according to paragraph (i) of this AD. The request should include a description of changes to…