# SDR DALA2023051904019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2023
- Submitted: May 19, 2023
- Operation: Air carrier
- Aircraft: [N939DZ](https://openairdocs.org/aircraft/N939DZ), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 38720
- Aircraft time: 27,661 hours, 14,366 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Condition: Corroded
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2023051904019

## Discrepancy

(LOG 2770332) DURING INSPECTION FOUND AFT CARGO DOOR THRESHOLD WEB HAS CORROSION IN SEVERAL PLACES AT STA797-847 RBL27 WL160. REMOVED AND REPLACED AFT CARGO DOOR THRESHOLD WEB IAW B737 SRM 51-40-02, B737 SRM 51-40-05 AND BOEING DWG# 146A8123 STA 797-847 RBL 27 WL 160.

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