# SDR IPXA2026090615477

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 6, 2026
- Submitted: September 9, 2026
- Operation: Air carrier
- Aircraft: [N461UP](https://openairdocs.org/aircraft/N461UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 28265
- Aircraft time: 43,549 hours, 22,014 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Longeron
- Part number: 148N37323
- 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/IPXA2026090615477

## Discrepancy

LONGERON 17L LOWER SURFACE BETWEEN BS 1885 & 1963,  ATTACHED TO SKIN PANELS TO INCLUDE ALL ADJACENT STRUCURE HAS AREAS OF CORROSION AND MISSING PROTECTIVE FINISH AND TOPCOAT. REMOVED 56 EACH FASTENERS AT LONGERON 17L LOWER SURFACE BETWEEN STA 1885 AND STA 1896.2 IAW SRM 51-40-02-0G-0. INSTALLED 56 EACH FASTENERS AT LONGERON 17L LOWER SURFACE BETWEEN BS 1885 AND BS 1896.2 IAW SRM 51-40-02-0G-0.

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