# SDR 2026F00140

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2026
- Submitted: July 7, 2026
- Operation: General aviation
- Aircraft: [N622QS](https://openairdocs.org/aircraft/N622QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0268
- Aircraft time: 6,279 hours, 4,082 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- 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/2026F00140

## Discrepancy

FOUND EVIDENCE OF CORROSION ON THE APU STINGER ASSY, LOWER AREA, AFT OF PANEL 330BBC. MECHANICALLY REMOVED SEVERAL AREAS OF CORROSION LOCATED ON APU STINGER, LOWER SKIN EDGE JUST FWD OF ACCESS PANEL 330BBC. FOUND CORROSION BLENDS TO BE BEYOND LIMITS IAW CESSNA 680A SRM 51-70-03. REPAIRED CORROSION BLENDS IAW NETJETS RFTS-117615 REV 0, TITLE: N622QS (680A-0268) TAILCONE LOWER FWD CORROSION, DATE: 22JUN26.

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