# SDR IPXA2026102460680

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2026
- Submitted: October 28, 2026
- Operation: Air carrier
- Aircraft: [N462UP](https://openairdocs.org/aircraft/N462UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 28266
- Aircraft time: 41,618 hours, 21,864 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Shear Web
- Part number: 141N5250
- 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/IPXA2026102460680

## Discrepancy

MAIN CARGO COMPARTMENT, FLOOR STRUCTURE BTWN STA 333.45-345 LBL 45.5-54.9 HAS CORROSION UNDER DRAIN PLATE. AFTER REMOVED SURFACE PROTECTION ON REPORTED MARK IN SHEAR WEB FOUND 03 SPOT OF CORROSION LOCATED BTW STA 333.45-345 LBL 45.5-54.9. REMOVED CORROSION IAW SRM 53-10-51-1A-2. PERFORMED CHECK SURFACE SMOOTH, FOUND 63 MICROINCHS RA IN BLEND OUT AREAS. IAW B757 SRM 53-10-51-1A-2 AD2 STEP 2E. T90482. AND APPLIED SURFACE PROTECTION IAW B757 SRM 51-20-01 AND AMM 51-21-15-370-801.

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