# SDR IPXA2023012090085

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 2023
- Submitted: January 20, 2023
- Operation: Air carrier
- Aircraft: [N467UP](https://openairdocs.org/aircraft/N467UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25483
- Aircraft time: 32,570 hours, 19,990 cycles
- System (JASC): [5414 · Nacelle/Pylon, Plate/Skin](https://openairdocs.org/jasc/5414)
- Part: Skin
- Part number: 311N51931
- Condition: Corroded
- Location: Nr 1 Nacelle
- 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/IPXA2023012090085

## Discrepancy

INSPECTION TYPE:SEG1#1 ENGINE INSIDE O/B FWD PYLON DOOR 433BL BOTTOM RIM IS BULGINGREMOVED SKIN PANEL PER SRM 51-40-02-0G, REMOVED CORROSION AT SKIN PANEL PER SRM 54-50-01-1A DETAIL V ORIG THICKNESS 0.188 AFTER BLENDED THICKNESS IS 0.169 FOUND IN LIMITS PER SRM 54-50-01-1A PERFORMED SHOT PENNING AT SKIN PANEL PER SRM 51-20-06. INSTALLED SKIN PANEL PER SRM 51-40-02-0G

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