# SDR SWAA2022032081802

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2022
- Submitted: March 21, 2022
- Operation: Air carrier
- Aircraft: [N212WN](https://openairdocs.org/aircraft/N212WN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 32485
- Aircraft time: 56,756 hours, 33,873 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Threshold
- Condition: Corroded
- Location: Fwd Fuselage
- 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/SWAA2022032081802

## Discrepancy

FWD LAVATORY THRESHOLD IS CORRODED / [01] REMOVED CORRODED AND INSTALLED NEW FWD LAV THRESHOLD INSERTS IAW CMM 25-00-66 REPAIR 8-1 SECT. 1-3;[02] AFTER FURTHER INSPECTION; FWD LAVATORY THRESHOLD IS NOT CORRODED. INSERTS WERE FOUND TO BE CORRODED UNDER THE THRESHOLD. REMOVED CORRODED AND INSTALLED NEW FWD LAV THRESHOLD INSERTS IAW CMM 25-00-66 REPAIR 8-1 SECT. 1-3;[03] VERIFIED CORRECTIVE ACTIONS 1 AND 2

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