# SDR IPXA2026091101707

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2026
- Submitted: September 11, 2026
- Operation: Air carrier
- Aircraft: [N455UP](https://openairdocs.org/aircraft/N455UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25476
- Aircraft time: 46,102 hours, 22,631 cycles
- System (JASC): [5350 · Aerodynamic Fairings](https://openairdocs.org/jasc/5350)
- Part: Skin
- Part number: 148N377017
- Condition: Corroded
- Location: Zone 300
- 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/IPXA2026091101707

## Discrepancy

APU COMPARTMENT TAILCONE LOWER BILGE ALUMINUM HONEYCOMB SKIN PANELS BETWEEN BS 1963 AND 1992 HAS AREAS OF CORROSION TO INCLUDE ATTACHMENT TO FRAMES WITH AREAS OF MISSING FINISH. RL051 RE-INSTALLED LWR BILGE ALUM HONEYCOMB SKIN PNL BTWN STA 1963 & 1992 AT APU COMP TAIL CONE REF. SRM 51-40-02-0G-0. APPLIED FILLET SEAL ON LWR BILGE ALUM HONEYCOMB SKIN PNL BTWN STA 1963 & 1992 REF. AMM 51-31-01-392-039.

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