# SDR IPXA2025120897297

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 28, 2025
- Submitted: January 6, 2026
- Operation: Air carrier
- Aircraft: [N414UP](https://openairdocs.org/aircraft/N414UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 23854
- Aircraft time: 38,644 hours, 25,891 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Strap
- Part number: 148N313820
- Condition: Corroded
- Location: Apu Inlet
- 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/IPXA2025120897297

## Discrepancy

APU INLET DUCT HAS EVIDENCE OF CORROSION AROUND NUT PLATES.  REMOVED AND REPLACED SUPPORT ANGLES AND STRAP IAW DWGS 148N3152, 148N3141, 148N3138, AND 148N3105 IAW SRM 51 GUIDELINES, IAW GMM REV 12 SECTION 09-08.

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