# SDR YENA2026012100055

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2026
- Submitted: January 21, 2026
- Operation: Air carrier
- Aircraft: [N2047J](https://openairdocs.org/aircraft/N2047J), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 09315
- Aircraft time: 19,389 hours, 5,227 cycles
- System (JASC): [5415 · Nacelle/Pylon, Attach Fittings](https://openairdocs.org/jasc/5415)
- Part: Fillet
- Condition: Corroded
- Location: Zone 400
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2026012100055

## Discrepancy

DURING HEAVY MAINTENANCE: PYLONS / LH PYLON / PYLON TO WING CENTER FILLETS / INBD STRIP RIB 7A AND RIB 10A / CORROSION – PERMANENT REPAIR; REFERENCES: /1/ STS EA 160-2025-011 REV IR /2/ AIRBUS RDAF 81708156/003/2025#A /3/ REPAIR INSTRUCTIONS TD/81708156/012/2025#A. DESCRIPTION: DURING CURRENT (01/2026) M1 CHECK ON N913JB (MSN: 05909) @ MLB, STS REPORTED CORROSION DAMAGE ON THE LH PYLON TO WING CENTER FILLET INBD STRIP (PN: D5451804820000)- FABRICATED FROM ASNA3051-8600 [7075-T6 CLAD AL]) AT RIB 7A AND RIB 10A.  DAMAGE WAS BLENDED IAW A321 SRM AND WAS EVALUATED IAW SRM 54-53-12 BUT WAS OOL DUE TO NO ADL BEING AVAILABLE.  SEE REF /1/ FOR FULL DETAILS. STS REQUESTED PERMANENT REPAIR DISPOSITION FROM AIRBUS WHO PROVIDED REF /3/ TD, WHICH DEFINES A REPAIR CONSISTING OF PERFORMING A CUTOUT, NDT INSPECTION, DOUBLER AND FILLER FABRICATION AND INSTALLATION, AND NEW FASTENER WET INSTALLATION.  THIS REPAIR WAS AUTHORIZED BY AIRBUS VIA REF /2/ RDAF. EC A26-030-01 IS ISSUED TO ACCOMPLISH THIS PERMANENT REPAIR PER REF /1/ STS EA. SUBSTANTIATION: THIS PERMANENT REPAIR IS APPROVED PER REF /2/, RDAF AND IS CLASSIFIED AS MAJOR.(E/C: A26-030-01)

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