# SDR 2026F00045

- 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): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Frame
- Condition: Corroded
- Location: Fairing
- 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/2026F00045

## Discrepancy

CORROSION FOUND UNDER NUTPLATES ON FAIRING FRAME AT FS 312.90. MECHANICALLY REMOVED 6 AREAS OF CORROSION LOCATED ON INNER AND OUTER SURFACES OF FAIRING FRAME FS 312.90 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 CORRODED BELLY PANEL LAND AT FS312.90 PER AQRD RFTS-116481 REV.0,

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