# SDR 2020F00412

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2020
- Submitted: September 29, 2020
- Operation: General aviation
- Aircraft: [N503QS](https://openairdocs.org/aircraft/N503QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0040
- Aircraft time: 3,912 hours, 2,605 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 6912640153
- Condition: Corroded
- Location: Apu Bay
- 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/2020F00412

## Discrepancy

APU STINGER SKIN DAMAGE (CORROSION).  ACCOMPLISHED TEXTRON AVIATION ENGINEERING LETTER DQ27131M1, DATED SEPTEMBER 24, 2020; 680A-0040 (N503QS) APU STINGER SKIN DAMAGE (CORROSION).

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