# SDR IPXA2026012843933

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 2026
- Submitted: January 28, 2026
- Operation: Air carrier
- Aircraft: [N410UP](https://openairdocs.org/aircraft/N410UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 23732
- Aircraft time: 38,878 hours, 26,092 cycles
- System (JASC): [4910 · APU Cowling/Containment](https://openairdocs.org/jasc/4910)
- Part: Skin
- Part number: 148N371087
- Condition: Delaminated
- 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/IPXA2026012843933

## Discrepancy

MAJOR REPAIR, COMPOSITE APU COMPARTMENT:  APU COMPARTMENT INNER SKIN INCLUDING OUTER SKIN HAS DELAMINATION BETWEEN BS 1918 & 1941 17 INCHES ABOVE THE LWR FRAME APPROX. 8"X10" AREA.    VERIFIED REPAIR IS A CATEGORY A REPAIR,  NO FUTHER ACTION REQUIRED.

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