# SDR SWAA2025091205603

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2025
- Submitted: September 12, 2025
- Operation: Air carrier
- Aircraft: [N964WN](https://openairdocs.org/aircraft/N964WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36965
- Aircraft time: 45,186 hours, 27,867 cycles
- System (JASC): [5246 · Fluid Service Doors](https://openairdocs.org/jasc/5246)
- Part: Door
- Condition: Corroded
- Location: Zone 800
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025091205603

## Discrepancy

WATER SERVICE DOOR 146AR CORRODED ON EXTERNAL SKIN.   HAND BLENDED AND REMOVED CORROSION DAMAGE ON DR PNL 146AR AND CHECKED WITH 10X MAG IAW SRM 52-40-01-1A-5 STEP 2C (1)UT IAW B737 NDT PART 4 51-00-00 PROCEDURE 2. ORIGINAL .120'; REMAINING .114'; LOSS .006'.  MAT THICKNESS IS .120 MAT LOSS IS .006 MAT REMAINING IS .114 IT IS WITHIN LIMITS OF .25 MAX ALLOWABLE IAW 52-40-01-1A-5 STEP 4A FIG 103 DETAIL B.

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