# SDR 2026F00052

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2026
- Submitted: March 31, 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): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Nut Plate
- Condition: Corroded
- Location: Zone 500
- 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/2026F00052

## Discrepancy

FOUND 13 AREAS OF CORROSION AROUND NUTPLATES FOR PANEL 542FB. MECHANICALLY REMOVED 13 AREAS OF CORROSION WHERE 13 NUTPLATES WERE REMOVED  INSIDE WING LOWER ACCESS BAY 542FB 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 LH FLAP PANEL LAND PER NETJETS AQRD RFTS-116556 REV. 0,

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