# SDR SWAA2022012589543

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 2017
- Submitted: January 25, 2022
- Operation: Air carrier
- Aircraft: [N7721E](https://openairdocs.org/aircraft/N7721E), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 34479
- Aircraft time: 39,159 hours, 19,037 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Service Door
- Condition: Corroded
- Location: Main Cabin
- 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/SWAA2022012589543

## Discrepancy

***CORROSION*** ON FORWARD SERVICE DOOR MOP SILL B.S. 295-333. / F.S.D MOP SILL. REMOVED CORROSION @ 2 LOCATIONS 4.4' X 0.8'; 3.1' X 1.8'. MAX MATERIAL REMOVED .012. ORIGINAL THICKNESS .080'. REMAINING THICKNESS .068' FOUND TO BE OUT OF LIMITS PER SRM 53-10-15-1A-2 & DWG# 141A8315-4. LOCATED AND DRILLED NEW MOP SILL ITEM: 7530253. BETWEEN BS 259-360. IAW SRM 51-40-05. REMOVED AND INSTALLED MOPSILL PER SRM 51-40-02

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