# SDR 2026F00091

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2026
- Submitted: April 30, 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): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Bracket
- Condition: Corroded
- Location: Zone 100
- 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/2026F00091

## Discrepancy

MECHANICALLY REMOVED 8 AREAS OF CORROSION WHERE 8 LOCK FASTENERS WERE PREVIOUSLY REMOVED ON FWD BRACKET INSIDE NLG WHEEL WELL, ON FWD FACE OF UP-LOCK BRACKET IAW SRM 51-70-02. FOUND CORROSION BLENDS TO BE BEYOND LIMITS IAW  SRM 51-70-02 EXCEEDING .002" OF MATERIAL REMOVED FROM NOMINAL THICKNESS. REMOVED AND REPLACED CORRODED U CHANNEL FWD OF NLG UP-LOCK ACTUATOR SUPPORT WITH NEW U CHANNEL. WORKED IAW SRM 51-40-03 AND RFTS-116654 REV.0.

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