# SDR DALA2023051203783

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2023
- Submitted: May 12, 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: Channel
- 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/DALA2023051203783

## Discrepancy

(LOG 2760975) DURING INSPECTION FOUND AFT CARGO LH ZEE CHANNEL HAS CORROSION FROM STA 727G-827 LBL21 WL 158. REMOVED AND REPLACED AFT CARGO L/H ZEE CHANNEL FROM STA 727-887 LBL 21 WL 158 IAW B737 SRM 51-40-02-0G, 53-00-53-2R AND BOEING DRAWING NUMBER 146A7500 REV: A.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.