# SDR SWAA2022032442366

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2019
- Submitted: May 16, 2022
- Operation: Air carrier
- Aircraft: [N422WN](https://openairdocs.org/aircraft/N422WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29826
- Aircraft time: 61,646 hours, 36,197 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Filler
- Part number: 146A74086
- Condition: Corroded
- Location: Lower Int Fusela
- 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/SWAA2022032442366

## Discrepancy

AFT LAV.WASTE SERVICE PANEL FILLER P/N 146A7408-6 CORRORED; STA 847 AND STA 867 AND STRINGER 23L TO 25L / FOUND EXFOLIATED CORROSION OUT OF LIMITS PER SRM53-00-04-1A-1 REMOVED CORRORED FILLER P/N 146A7408-6 AND FABRICATED NEW FILLER PER DRAWING #146A7408;AND INSTALLED BETWEEN STA 847 AND STA 867 STRINGERS 23 AND 25 L/H ; TREATED AND PRIMED FABRICATED FILLER PER REF B737 M/M 51-21-41-370-802 AND 51-21-72-370-804.

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