# SDR SWAA2023053142055

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2023
- Submitted: May 31, 2023
- Operation: Air carrier
- Aircraft: [N570WN](https://openairdocs.org/aircraft/N570WN), registered now
- Make and model: Boeing 737-7CT
- Registry model: [Boeing 737-7CT](https://openairdocs.org/model/boeing-737-7ct) (OpenAirDocs)
- Aircraft serial: 33657
- Aircraft time: 63,400 hours, 32,540 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Winglet
- Part number: UNKNOWN
- Condition: Delaminated
- Location: Zn 600 Right Win
- 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/SWAA2023053142055

## Discrepancy

RH WINGLET AFT (CARBON FIBER) SPAR ;SIGNS OF DELAMINATION AND LOOSE FIBERS AT MOST UPPER TOOLING HOLES.<[01] DAMAGE FOUND AT RH WINGLET UPPER SKIN INTERNAL AREA OUTSIDE OF AAR MIAMI REPAIR CAPABILITIES; WINGLET TO BE REPLACED. INSTALL ACCOMPLISHED ON ROUTINE CARD TTG8Q003GNXX AND NR TTG8Q00KPCV0. INSTALLED NEW RIGHT WINGLET REF B737 AMM 57-21-21-400-801 (PENDING TORQUE); INSTALL AND TESTING FINALIZED ON ROUTINE T/C TTG8Q003GNXX.;[02] VERIFIED ALL STEPS

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