# SDR SWAA2021080487827

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2021
- Submitted: August 4, 2021
- Operation: Air carrier
- Aircraft: N417WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29822
- Aircraft time: 65,751 hours, 38,956 cycles
- System (JASC): [5530 · Vertical Stabilizer](https://openairdocs.org/jasc/5530)
- Part: Fitting
- Condition: Corroded
- Location: Vertical Stab
- 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/SWAA2021080487827

## Discrepancy

CORROSION ** AT VERTICAL STABILIZER REAR SPAR L/H AFT O/B HINGE FITTING AFT CLEVIS INTERNAL ; / [01] REMOVED FITTING AT VERTICAL STAB REAR SPAR L/H AFT O/B HINGE FITTING AFT CLOVIS INTERNAL IN IAW SRM 51-40-02-0G-0; [02] VERIFIED 1.; [03] PARTIALLY: STARTED DRILL NEW FITTING AT VERTICAL STAB L/H AFT O/B FITTING IN IAW SRM 51-40-02-0G-0; [04] COMPLETED LOCATED AND DRILLED AT NEW FITTING AT VERTICAL STAB L/H AFT O/B FITTING IN IAW SRM 51-40-02-0G-0; [05] VERIFIED STEP 3; 4; [06] OK TO INSTALL FITTING; [07] RII<BR>VERIFIED STEPS 3;4. <BR>OK TO INSTALL FITTING; [08] INSTALLED FITTING AT VERTICAL STAB REAR SPAR L/H AFT O/B HINGE FITTING AFT CLEVIS INTERNAL IN IAW DWG# 148A8200; [09] REMOVED AND REPLACED FITTING AT VERTICAL STAB REAR SPAR L/H AFT O/B HINGE FITTING AFT CLOVIS INTERNAL IN IAW DWG# 148A8200; [10] RII<BR>VERIFIED STEPS 8; 9.

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