# SDR IPXA2026063078648

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2026
- Submitted: June 30, 2026
- Operation: Air carrier
- Aircraft: [N418UP](https://openairdocs.org/aircraft/N418UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 23905
- Aircraft time: 37,132 hours, 24,518 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 146N54167
- 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/IPXA2026063078648

## Discrepancy

AFT CARGO COMPARTMENT FLOOR STRINGER HAS CORROSION AT NUT PLATE BOTTOM AREA, APPROX AT BS 1200, LBL 2.90.  REMOVED CORROSION AT AFT CARGO COMP. FLOOR STRINGER AT NUT PLATE AREA UPPER AND LOWER SIDE AT APPROX BS 1200 LBL 2.90. INSTALLED NEW FLOOR STRINGER AT AFT CARGO COMPARTMENT LBL 2.90 AND BTW BS 1200 TO 1340 IAW SRM 51-40-02-0G-0.

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