USELAGE - STRUCTURE MOUND OPENINGS - NUMBER 3 WINDOW FRAME - PERMANENT REPAIR . SERVICE BULLETIN PART 6: POST PERMANENT REPAIR INSTALLATION NUMBER 3 WINDOW FRAME HFEC INSPECTION (AIRPLANES WITH THE PERMANENT REPAIR DOUBLER AND TRIPLER INSTALLED) MOS AFL SB 737-53-1345 TABLE ACCOMPLISH FUSELAGE - STRUCTUR