# SDR 2026F00084

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2026
- Submitted: April 23, 2026
- Operation: General aviation
- Aircraft: [N339QS](https://openairdocs.org/aircraft/N339QS), registered now
- Make and model: Cessna 680CE
- Aircraft serial: 6800191
- Aircraft time: 14,278 hours, 9,522 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Access Panel
- Condition: Corroded
- Location: Zone
- 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/2026F00084

## Discrepancy

FOUND 12 AREAS OF CORROSION AROUND NUT PLATES FOR PANEL 642GB. MECHANICALLY REMOVED 12 AREAS OF CORROSION WHERE 12 NUTPLATES WERE REMOVED LOCATED INSIDE WING LOWER ACCESS BAY 642GB IAW CESSNA 680 SRM 51-70-02. FOUND CORROSION BLENDS TO BE BEYOND LIMITS IAW CESSNA 680 SRM 51-70-02 EXCEEDING .002" OF MATERIAL REMOVED FROM NOMINAL THICKNESS. REPAIRED PANEL 642GB LANDS PER NETJETS RFTS-116690 REV. 0, TITLED: "N339QS (680-0191)PANEL 642GB LAND CORROSION", DATED 28MAR26.

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