# SDR IPXA2022022279307

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2022
- Submitted: February 23, 2022
- Operation: Air carrier
- Aircraft: [N408UP](https://openairdocs.org/aircraft/N408UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 23730
- Aircraft time: 35,703 hours, 24,501 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: None
- Condition: None
- Location: Ws159 Lh W Rspar
- 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/IPXA2022022279307

## Discrepancy

INSPECTION TYPE:CLH WING UPPER SKIN SURFACE AT WS 150-240 AFT SPAR BEAM PANEL IS BUBBLING UP DUE TO CORROSION. REMOVED CORROSION FOUND REAR SPAR UPPER CHOR OUT OF LIMITS PER SRM 57-20-01-1A-1REPAIRED LH WING REAR SPAR UPPER CHORD PER EO# B757-5730-82881-A.

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