# SDR SWAA2021110920604

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2021
- Submitted: November 9, 2021
- Operation: Air carrier
- Aircraft: [N783SW](https://openairdocs.org/aircraft/N783SW), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29809
- Aircraft time: 68,060 hours, 40,258 cycles
- System (JASC): [5530 · Vertical Stabilizer](https://openairdocs.org/jasc/5530)
- Part: Fitting
- Condition: Corroded
- Location: Vertical Stab
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021110920604

## Discrepancy

VERTICAL STABILIZER LEFT I/B REAR SPAR FITTINGS CORRODED.  REMOVED BUSHINGS AT LEFT VERTICAL STABILIZER I/B REAR SPAR AS PER B737-700 SOPM 20-50-03,  AFTER BUSHING REMOVAL, INSPECTED AREA, NO CORROSION FOUND.  INSTALLED SERVICEABLE BUSHINGS  SOPM 20-50-03 AND DRAWING TOLERANCES PL 172A161-2.

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