# SDR JGVR20200406002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 2020
- Submitted: April 6, 2020
- Operation: Air carrier
- Filed by: [Duncan Aviation Inc, repair station JGVR194F](https://openairdocs.org/faa-repair-station/JGVR194F/duncan-aviation-inc.md) (OpenAirDocs)
- Aircraft: [N339QS](https://openairdocs.org/aircraft/N339QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 6800191
- Aircraft time: 10,971 hours, 7,224 cycles
- System (JASC): [5220 · Emergency Exits](https://openairdocs.org/jasc/5220)
- Part: Door
- Condition: Corroded
- Location: Emergency Exit
- 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/JGVR20200406002

## Discrepancy

CONFIRMED CORROSION ON EMERGENCY EXIT IN 20 AREAS, FOUND DURING TASK 52-20-00-2200. REMOVED FWD AND AFT CONTOUR RINGS. MECHANICALLY BLENDED 20 AREA OF INTERGRANULAR CORROSION INNER SIDE OF CONTOUR RINGS ON OUTER FACE OF E-EXIT IAW C680 SRM 51-70-02. CORROSION DETERMINED TO BE LEVEL 2 PER NJA GMM 2.2.2. BLENDS FOUND BEYOND C680 SRM 51-70-02 LIMITS AND REQUIRED E-EXIT TO BE REPLACED. REMOVED EXISTING CORRODED E-EXIT ASSY AND INSTALLED NEW CUSTOMER SUPPLIED E-EXIT ASSY IAW CESSNA 680 MM 52-20-00

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