# SDR MK1Y2019100610

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2019
- Submitted: October 6, 2019
- Operation: General aviation
- Filed by: [Bedek Aviation Group, repair station MK1Y325K](https://openairdocs.org/faa-repair-station/MK1Y325K/bedek-aviation-group.md) (OpenAirDocs)
- Aircraft: [N391UP](https://openairdocs.org/aircraft/N391UP), registered now
- Make and model: Boeing 767304
- Aircraft serial: 28039
- Aircraft time: 84,878 hours, 15,837 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Structure
- Condition: Corroded
- Location: Bs 1065-1087
- Stage of operation: IN
- How discovered: V
- Nature of condition: Z
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MK1Y2019100610

## Discrepancy

CORROSION FOUND ON LONGERON CHORD STA 1065-1087, STR 23R-24R ON UPPER FLANGE

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