# SDR IPXA2021092574274

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 2021
- Submitted: September 27, 2021
- Operation: Air carrier
- Aircraft: [N466UP](https://openairdocs.org/aircraft/N466UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25482
- Aircraft time: 30,713 hours, 18,907 cycles
- System (JASC): [5400 · Nacelle/Pylon Structure](https://openairdocs.org/jasc/5400)
- Part: Skin
- Part number: 311N5046
- Part serial: NA
- Condition: Corroded
- Location: #2 Pylon Ob Skin
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2021092574274

## Discrepancy

INSPECTION TYPE:SEG4#2 ENGINE PYLON, INBD SKIN, INTERIOR, AT APPROX. NAC STA 169.8 INBD SIDE HAS CORROSIONAFTER REMOVED CORROSION IN THE AREA FOUND TO BE IN LIMITS PER SRM 54-50-01 FIG 01 SHEET 4 DETAIL V

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