# SDR SWAA2020121433735

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2020
- Submitted: December 14, 2020
- Operation: Air carrier
- Aircraft: [N932WN](https://openairdocs.org/aircraft/N932WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36639
- Aircraft time: 39,276 hours, 23,728 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Strap
- Part number: 146A74017
- Condition: Corroded
- Location: Skin
- 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/SWAA2020121433735

## Discrepancy

CORROSION EXTERNAL SKIN STRAP AT TOILET SERVICE CUT OUT AT LOWER FUSELAGE WL 152.5 AND BS 847 TO BS 867 BETWEEN S-24L AND 25L.  BLENDED EXTERNAL SKIN STRAP AT TOILET SERVICE CUT OUT AT LOWER FUSELAGE WL 152.5 AND BS 847 TO BS 867 BETWEEN S-24L AND S-25L MEASUREMENTS ARE: L=3.418' W=1.968' MRT=0.080' AND EVALUATED REWORKED AREA AND STRAP MUST BE REPLACED DUE TO ALLOWABLE DAMAGE NOT FOUND ON SRM B737-700.  REPLACED STRAP (PLATE-HINGE CLOSEOUT), IAW B737-700 SRM 51-10-02; SRM 51-40-02 AND DWG NR 146A7401 SHEET 13 REV A.  REPAIR STRAP P/N:146A7401-7, IAW DWG NR 146A7401 SHEET 13 REV A.

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