# SDR COZA20190903128

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2019
- Submitted: September 3, 2019
- Operation: Air carrier
- Aircraft: N732KA
- Make and model: Boeing 737-59D
- Registry model: [Boeing 737-59D](https://openairdocs.org/model/boeing-737-59d) (OpenAirDocs)
- Aircraft serial: 25065
- Aircraft time: 45,905 hours, 39,415 cycles
- System (JASC): [5220 · Emergency Exits](https://openairdocs.org/jasc/5220)
- Part: Door Frame
- Part number: 50797897
- Part serial: 5208
- 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/COZA20190903128

## Discrepancy

CORROSION FOUND ON THE BOTTOM FRAME ON THE RIGHT OVERWING ESCAPE HATCH.  MATERIAL THICKNESS REMAINING AFTER CORROSION REMOVAL FROM THE DOOR NOT WITHIN THE LIMITS OF SRM 52-20-02.  REPLACED THE RIGHT OVERWING ESCAPE HATCH.

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