# SDR 2026FA0000691

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 14, 2026
- Submitted: September 15, 2026
- Operation: General aviation
- Aircraft: [N541QS](https://openairdocs.org/aircraft/N541QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 0084
- Aircraft time: 9,130 hours, 6,101 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Panel
- Part number: 74112124
- Condition: Corroded
- Location: Zone 100
- Part time: 9,130 hours, 6,101 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/2026FA0000691

## Discrepancy

CORROSION WAS FOUND IN THE NOSE LANDING GEAR ACTUATOR TUNNEL AROUND A HYDRAULIC LINE STANDOFF. DURING THE REPAIR A HOLE WAS MISLOCATED NEAR THE DEFECT. THE CORROSION WAS REMOVED AND NDT WAS ACCOMPLISHED TO VERIFY REMAINING MATERIAL THICKNESS AND THAT NO CRACKS EXIST IN THE AREA. A DOUBLER WAS FABRICATED AND INSTALLED AT THE DEFECT LOCATION. ALL WORK WAS ACCOMPLISHED IAW AQRD ENGINEERING REPAIR ORDER ERO-991251 REVISION A, DATED: SEPT 09, 2026. THE REPAIR DOES NOT REQUIRE ANY ICA.

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