AD/A320/91 - Frames 43 and 44 Pressure Floor Connection

Airworthiness Directive - AD/A320/91 - Frames 43 and 44 Pressure Floor Connection Airworthiness Directive - AD/A320/91 - Frames 43 and 44 Pressure Floor Connection CASA Airworthiness Directive Jurisdiction:Commonwealth of Australia;CorporateName:Civil Aviation Safety Authority; Issue 2/1998,Aircraft above 5700 kg,Airbus Industrie A319, A320 and A321 Series Aeroplanes,Frames 43 and 44 Pressure Floor Connection,91 DellaCa, Donna 2 0 2022-10-30T23:03:00Z 2022-10-30T23:03:00Z 1 221 1261 Office of Parliamentary Counsel 10 2 1480 16.0000 2006-09-22T00:00:00Z Toolkit http://www.activepdf.com 2022-10-30T00:00:00Z COMMONWEALTH OF AUSTRALIA   (Civil Aviation Regulations 1998) , PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES   Airbus Industrie A319, A320 and A321 Series Aeroplanes   AD/A320/91   Frames 43 and 44 Pressure Floor Connection   2/98 Applicability:   Model A320 with MSN 005 through 008, 010 through 014, and 016 through 043, without Modification 20941 or Service Bulletin A320-53-1015 incorporated.   Requirement:   1. Inspect bolts and fittings of the frame to pressure floor connection at frames 43 and 44 in accordance with Airbus Industrie Service Bulletin A320-53-1083 revision 2.   2.     If bolts are found cracked and/or missing and/or fittings are cracked, apply the corresponding inspection program and corrective actions in accordance with the instructions given in Service Bulletins A320-53-1083 revision 2 and A320-53- 1015.   3.     If no crack is detected on the frames and bolts, repeat the inspection as defined in Requirement 1 of this Directive.   Note: DGAC AD 97-316-110 (B) refers.   Compliance:   1. Before the accumulation of 20,000 flights.   2.     At the thresholds and intervals specified in the Requirement 2 documents.   3.     At intervals not to exceed 5,100 flights after initial inspection. This airworthiness directive becomes effective on 29 January 1998. Background:   During a full scale fatigue test, a bolt at frame 43, which connects the frame segment with the pressure floor, sheared off. A crack developed after further simulated flights.