# SDR 2021FA0000292

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2021
- Submitted: October 20, 2021
- Operation: General aviation
- Aircraft: [N548QS](https://openairdocs.org/aircraft/N548QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0105
- Aircraft time: 3,910 hours, 2,631 cycles
- System (JASC): [5100 · Standard Practices/Structures](https://openairdocs.org/jasc/5100)
- Part: Stinger
- Part number: 6912640169126402
- Part serial: NA
- Condition: Corroded
- Location: Zone 200
- Part time: 3,910 hours, 2,631 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/2021FA0000292

## Discrepancy

L/H AND R/H APU UPPER BONDED SKIN ASSEMBLIES EXHIBIT CORROSION NEAR DEBRIS SHIELD. REFERENCE TEXTRON AVIATION ENGINEERING MEMO DQ31884M1 REV. A DATED: 15OCT2021.

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