# SDR IPXA2026040374899

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2026
- Submitted: April 6, 2026
- Operation: Air carrier
- Aircraft: [N437UP](https://openairdocs.org/aircraft/N437UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25468
- Aircraft time: 32,154 hours, 21,139 cycles
- System (JASC): [5414 · Nacelle/Pylon, Plate/Skin](https://openairdocs.org/jasc/5414)
- Part: Doubler
- Part number: 311N504658
- 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/IPXA2026040374899

## Discrepancy

MAJOR REPAIR,  NR 2 PYLON  INTERNAL AREA BETWEEN PANELS 443CR AND 443BR HAVE CORROSION.   COMPLIED WITH EO-97012-REQ1 AND VT-MAE EA 757-5450-27-A4401, REV -

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