# SDR IPXA2026041214960

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2026
- Submitted: April 13, 2026
- Operation: Air carrier
- Aircraft: [N575UP](https://openairdocs.org/aircraft/N575UP), registered now
- Make and model: Boeing 747-44AF
- Registry model: [Boeing 747-44AF](https://openairdocs.org/model/boeing-747-44af) (OpenAirDocs)
- Aircraft serial: 35664
- Aircraft time: 63,822 hours, 10,023 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floorboard
- Part number: 144U580328
- Condition: Damaged
- 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/IPXA2026041214960

## Discrepancy

MAJOR REPAIR.   DAMAGED FLOORBOARD ON RT MAIN CARGO DECK BS 1220.  REMOVE THE DAMAGED PANEL IN ACCORDANCE WITH AMM 53-21-02. INSTALL THE REPLACEMENT FLOOR PANEL PER AMM 53-21-02.

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