# SDR IPXA2026051562821

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2026
- Submitted: May 19, 2026
- Operation: Air carrier
- Aircraft: [N301UP](https://openairdocs.org/aircraft/N301UP), registered now
- Make and model: Boeing 767-34AF
- Registry model: [Boeing 767-34AF](https://openairdocs.org/model/boeing-767-34af) (OpenAirDocs)
- Aircraft serial: 27239
- Aircraft time: 73,914 hours, 25,890 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 146T56494
- Condition: Corroded
- Location: Zone 200
- 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/IPXA2026051562821

## Discrepancy

FOUND FLOOR INTERCOSTAL CORROSION AT BS 1598 FROM LBL 11 TO RBL 11 IN THE ARA AFT OF BULK CARGO COMPARTMENT.   FABRICATE P/N: 146T5649-4 I.A.W DWG 146T5649 SH 1 , REV-.  AND ORIGINAL PART AS A SAMPLE IAW GMM-MTX CH 9.08 REV. 15.2.   INSTALLED FABRICATED INTERCOSTAL IAW SRM 51-40-02-0G REV. 95 AND DWG 146T5650, SHEET 2, REV A, AND DWG 146T5650, SHEET 3, REV A.

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