# SDR SWAA2024072405236

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2024
- Submitted: July 24, 2024
- Operation: Air carrier
- Aircraft: [N252WN](https://openairdocs.org/aircraft/N252WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34973
- Aircraft time: 59,332 hours, 35,662 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Sill Drain
- Condition: Corroded
- Location: Zone 200
- 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/SWAA2024072405236

## Discrepancy

CORROSION ON L1 DOOR MOP SILL BS294+11 - BS344 LBL55 WL208. MARKED<[01] VERIFIED STEPS 1;3;4 COMPLETE; STEP 2 IN PARTIAL.;[02] REMOVED AND INSTALLED NEW L1 DOOR MOP SILL; PER SRM 51-40-02 AND DWG 141A8110; ID: 09 AND 10; REV: A;[03] ALL MAINTENANCE ACTIONS COMPLETED;[04] CUSTOMER CARD COMPLETE

---
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.