What was found
DURING HEAVY MAINTENANCE: AFT FUSELAGE/ TAILCONE/ SKIN PANEL BTWN FR84-85 AND STGR16R/20R/ EXISTING REPAIR DOUBLER AND DISPREPANT HOLES/ PERMANENT REPAIR; REFERENCES: /1/ AEROMAN EA 53-0025-26 COVER & PART 1 /2/ AIRBUS RDAF 70574427/048/2026#A /3/ MX244. DESCRIPTION: DURING HEAVY CHECK ON AIRCRAFT N662JB (MSN 03263) IN AEROMAN (SAL), A BULGE WAS FOUND ON AN EXISTING DOUBLER LOCATED AT THE AFT TAILCONE FR84-85 STRINGER 16RH-20RH. ADDITIONALLY, 27 HOLES WERE FOUND TO BE OVERSIZED FROM 3.2MM DIA TO 4MM. REF /1/ EA FOR DETAILS. THE PREVIOUS REPAIR WAS ACCOMPLISHED IAW SRM TASK 53-51-11-300-002 IN 2013. AIRBUS WAS CONTACTED AND PROVIDED REPAIR INSTRUCTIONS CONSIST OF RE-ACCOMPLISH SRM TASK 53-51-11-300-002 DOUBLER REPAIR WITH OS FASTENERS PER SRM A320-51-76-11. ACCOMPLISH ROTO-TEST INSPECTION BEFORE INSTALLATION OF FASTENERS. EC A26-231-01 IS ISSUED TO PERFORM PERMANENT REPAIR IAW REF /1/ EA & COMPLIES WITH REF /2/ RDAF WITHOUT DEVIATIONS. SUBSTANTIATION: THIS REPAIR IS APPROVED PER REF /2/ RDAF AND IT IS CLASSIFIED AS MAJOR IAW REF /3/ MX244 GUIDELINES.(E/C: A26-231-01)