# SDR SWAA2023032098620

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2023
- Submitted: March 20, 2023
- Operation: Air carrier
- Aircraft: [N566WN](https://openairdocs.org/aircraft/N566WN), registered now
- Make and model: Boeing 737-7CT
- Registry model: [Boeing 737-7CT](https://openairdocs.org/model/boeing-737-7ct) (OpenAirDocs)
- Aircraft serial: 32753
- Aircraft time: 67,249 hours, 34,782 cycles
- System (JASC): [5350 · Aerodynamic Fairings](https://openairdocs.org/jasc/5350)
- Part: Panel
- Condition: Corroded
- Location: Zn 100 Fus Lower
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023032098620

## Discrepancy

CORROSION ACCESS PANEL 191CR DRAIN MAST AT LOWER FUSELAGE 2023-106130<[01] REPLACED FWD DRAIN MAST IAW AMM 38-31-01-401-NG <BR>TEST IS OK <BR>TOOL USED P/N: 2278-20; S/N: AE-410983; DD: 06-JAN-24<BR>SEE INDIVIDUAL SIGN OFF BELOW;[02] CORRECTED STEP 1:REPLACED FWD DRAIN MAST IAW BOEING 737-700 AMM 38-31-01-401<BR>TEST IS OK <BR>SEE INDIVIDUAL SIGN OFF BELOW;[03] COMPLETED STEP 2; TEST OK

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