# SDR IPXA2024111240732

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 2, 2024
- Submitted: November 12, 2024
- Operation: Air carrier
- Aircraft: [N474UP](https://openairdocs.org/aircraft/N474UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 28844
- Aircraft time: 23,216 hours, 15,710 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 146N51721
- 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/IPXA2024111240732

## Discrepancy

DURING OK TO INSTALL PANELS ON AFT CARGO BULKHEAD FOUND CORROSION LOCATED ON FLOOR BEAM, UPPER FLANGE LOWER FACE AT STA 1681.8, BETWEEN RBL12 AND RBL62. (015-14) ATA53. ACCOMPLISHED THE CATEGORY A REPAIR PER VT-SAA EA 757-5310-01-B0306 IR AND EO-92081-REQ1. R

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