# SDR IPXA2026051562801

- 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: 146T56491
- 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/IPXA2026051562801

## Discrepancy

FOUND FLOOR INTERCOSTAL CORROSION AT STA 1598 FROM LBL 33 TO LBL 54.75 IN THE AREA AFT OF BULK CARGO COMPARTMENT (REPLACE) CORRECT REFERENCE SHOULD BE:<BR>1. FABRICATE P/N: 146T5649-1 I.A.W BOEING DWG NO: 146T5649 SH 1 REV."-"AND ORIGINAL PART AS A SAMPLE I.A.W. GMM-MTX CH 9.08 REV. 15.2  INSTALLED FABRICATED INTERCOSTAL I.A.W SRM 51-40-02-0G REV. 95 AND BOEING DWG NO: 146T5650 SHEET 2 REV. A AND 146T5650 SHEET 4 REV. A.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.