# SDR 2021FA0000229

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2021
- Submitted: August 10, 2021
- Operation: General aviation
- Aircraft: [N509QS](https://openairdocs.org/aircraft/N509QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0028
- Aircraft time: 3,157 hours, 1,993 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Flange
- Condition: Corroded
- Location: Thrust Reverser
- Part time: 3,157 hours, 1,993 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/2021FA0000229

## Discrepancy

R/H ENGINE AFT BYPASS TO T/R FLANGE SHOWS SIGNS OF CORROSION. ACCOMPLISHED CORROSION REMOVAL AND RH TR FLANGE BLEND AND PRIME ACCEPTABLE FOR CONTINUED SERVICE, REF NORDAM FIELD ENGINEERING DISPOSITION DOCUMENT NTRSD-21TP-163 DATED 9 AUGUST 2021.

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