# SDR IPXA2026102080618

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 4, 2026
- Submitted: October 23, 2026
- Operation: Air carrier
- Aircraft: [N463UP](https://openairdocs.org/aircraft/N463UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 28267
- Aircraft time: 40,335 hours, 21,491 cycles
- System (JASC): [4910 · APU Cowling/Containment](https://openairdocs.org/jasc/4910)
- Part: Skin Panel
- Part number: 148N3730
- Part serial: NSN
- Condition: Delaminated
- 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/IPXA2026102080618

## Discrepancy

APU COMPARTMENT R/H SIDE COMPOSITE SKIN PANEL SECTION BETWEEN STA 1941 AND 1963 DELAMINATED. REPAIR FILLER AND DOUBLER MADE FROM 0.012-INCH-THICK 2024-T3 BARE AL SHT AND REPLACEMENT HONEYCOMB CORE MADE FROM BMS4-4 3-10N OR EQUIVALENT. B. REPAIRED PER SRM 53-80-01-2R-0, 51-70-10-2R-4 (FIGURE 201 SH. 1), 51-70-10-2R-0 (REV. 126)

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