What was found
DURING HEAVY MAINTENANCE: FUSELAGE / NOSE FWD FUSELAGE / WINDSHIELD FRAME / CTR POST LOWER NODE AREA VERTICAL FLANGE RHS & CONT. FITTING LHS / CRACKS - PERMANENT REPAIR; REFERENCES: /1/ AEROMAN EA 53-0081-25 (COVER + PARTS 1-5) /2/ AIRBUS DOSSIER 81689336 /3/ AIRBUS RDAF 81689336/003/2025 ISSUE A /4/ AIRBUS RI R53113672 ISSUE C RS4 /5/ AIRBUS RI R53112919 ISSUE K /6/ R531-13426 ISSUE G – FWD LOWER TITANIUM PANEL REMOVAL/INSTALLATION. /7/ R531-13467 ISSUE C – FRONT WINDOW FRAME REPLACEMENT. /8/ R531-12972 ISSUE H – LATERAL PANEL FR1-12 REMOVAL/INSTALLATION. /9/ R531-13355 ISSUE C – CROWN PANELS REMOVAL/INSTALLATION. /10/ R531-13470 ISSUE D – FRONT LATERAL WINDOW FRAME JUNCTION. /11/ R531-13241 ISSUE A – SHIM FRONT WINDSHIELD. /12/ R531-13300 ISSUE A – COVER STRIP. DESCRIPTION: DURING CURRENT H6 CHECK OF AC N587JB (MSN 02177) AT SAL, AEROMAN WHILE PERFORMING SB A320-53-1331, REPORTED CRACK WAS FOUND ON THE WINDSHIELD FRAMING CENTER POST LOWER NODE AREA RHS VERTICAL FLANGE. IN ADDITION, THE CONTINUITY FITTING WAS ALSO FOUND TO BE CRACKED. SEE REF /1/ AEROMAN EA FOR FULL DAMAGE DETAILS. AEROMAN REACHED OUT TO AIRBUS FOR REPAIR DISPOSITION VIA REF /2/ DOSSIER. AIRBUS PROVIDED REPAIR DISPOSITION VIA REF/2/ DOSSIER AND APPROVED BY REF/3/ RDAF AS FOLLOWS: CRACK ASSESSMENT WAS PERFORMED AND MIRROR FITTINGS REPLACED AS PER REF /4/ RI R53113672 ISSUE C RS4, CONTINUITY FITTINGS WERE REPLACED AS PER AIRBUS RI R53112919 010 ISSUE K. ADDITIONALLY REPAIR INSTRUCTIONS REF /6/ - REF /12/ WERE REQUIRED EC A25-1024-01 IS RELEASED TO ACCOMPLISH THE PERMANENT REPAIR OF THE CRACK DAMAGES AS PER REF/1/ AEROMAN EA AND REF /3/ RDAF.EC A25-1024-02 IS RELEASED TO ACCOMPLISH THE POST REPAIR INSPECTIONS (HFEC) OF THE CONTINUITY FITTINGS AS REQUIRED BY REF /3/ RDAF AS FOLLOWS: THRESHOLD = 30,600FC (FH NOT RELEVANT) INTERVAL = 8,800 FC (FH NOT RELEVANT) METHOD: HFEC OF CONTINUITY FITTINGS AS PER NTM 53-11-29. NOTE: AS PER REF/3/ RDAF SB 53-1331 IS NO LONGER APPLICABLE ANYMORE TO THIS A/C. SUBSTANTIATION: THIS CAT B PERMANENT REPAIR IS APPROVED BY REF /3/ RDAF AND IS CLASSIFIED AS MAJOR.(E/C: A26-062-01)