# SDR IPXA2026032266402

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2026
- Submitted: March 23, 2026
- Operation: Air carrier
- Aircraft: [N416UP](https://openairdocs.org/aircraft/N416UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 23903
- Aircraft time: 37,155 hours, 24,307 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 146N5419
- Condition: Cracked
- 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/IPXA2026032266402

## Discrepancy

FAULT Z-100 STR: FLOOR STRINGER CRACKED FOUND AT AFT CARGO COMPARTMENT AT STA 1342 RBL 2.90   INSTALLED NEW STRINGER AT AFT CARGO COMPARTMENT AT STA 1342 RBL 2.90 IAW B757-200 SRM 51-40-02-OG

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