# SDR 2026FA0000878

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2026
- Submitted: October 20, 2026
- Operation: General aviation
- Aircraft: [N685QS](https://openairdocs.org/aircraft/N685QS), registered now
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605650
- Aircraft time: 16,137 hours, 12,359 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Spar Cap
- Condition: Corroded
- Location: Zone 300
- Part time: 16,137 hours, 12,359 cycles
- 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/2026FA0000878

## Discrepancy

CORROSION FOUND ON RUDDER COVE RH SPAR CAP BELOW UPPER HINGE BRACKET. COMPLIED WITH NETJETS ERO-991706 REV.IR, DATED OCT 19, 2026. N685QS VERTICAL STABILIZER RH AFT SPAR CAP CORROSION. THIS IS A MAJOR REPAIR.

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