# SDR SWAA2021092708220

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2021
- Submitted: September 27, 2021
- Operation: Air carrier
- Aircraft: [N208WN](https://openairdocs.org/aircraft/N208WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29856
- Aircraft time: 52,294 hours, 30,932 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: 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/SWAA2021092708220

## Discrepancy

CORROSION AROUND FASTENER AT BS 927+9,  BL 0, WL 306.5 ON SKIN UNDER DORSAL FIN.  ] REMOVED THE FASTENER IAW SRM 51-40-02.  REMOVED CORROSION AND PERFORMED VISUAL INSPECTION WITH A 10- POWER MAGNIFYING GLASS, CORROSION WAS REMOVED IAW SRM 51-10-02 PARAGRAPH 15.A.6.A. NO ADDITIONAL DAMAGE NOTED.  HFEC INSPECTED SKIN BLENDOUT IAW  NDTM P6; 51-00-00 PROC 23. NO DISCREPANCIES NOTED.   INSPECTED OPEN HOLE IAW  NDTM P6; 51-00-00 PROC 16. NO CRACKS NOTED.   UT INSPECTED BLENDOUT AREA IAW NDTM P4; 51-00-00 PROC 2.  FOUND TO BE OUT OF LIMITS IAW SRM 53-00-01-1A-1, FIG D. INSTALLED THE FASTENER ACCOMPLISHED ON EA 21-153-02635-WIP1.

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