# SDR IPXA2025122959619

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2025
- Submitted: December 29, 2025
- Operation: Air carrier
- Aircraft: [N414UP](https://openairdocs.org/aircraft/N414UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 23854
- Aircraft time: 38,641 hours, 25,890 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 146N5425U19
- Condition: Corroded
- Location: Zone 100
- 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/IPXA2025122959619

## Discrepancy

DURING DVI INSPECTION ON EO-91261-REQ1 REV3 FOUND AFT CARGO COMPARTMENT. BILGE AREA WITH CORROSION ON WEB LOCATED APPROX STR 30 BETWEEN BS 1400 AND 1420.  REMOVED AND REPLACED INTERCOSTAL  PER DRAWING 146N5425 AND IAW SRM CHAPTER 51 GUIDELINES, USING THE ORIGINAL PARTS AS SAMPLE IAW GMM REV 12 SECTION 09-08.  REVIEWED

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