# SDR SWAA2021120640881

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2021
- Submitted: December 6, 2021
- Operation: Air carrier
- Aircraft: [N206WN](https://openairdocs.org/aircraft/N206WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34011
- Aircraft time: 52,876 hours, 31,083 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Condition: Cracked
- Location: R/H Horiz. 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/SWAA2021120640881

## Discrepancy

RIGHT HAND HORIZONTAL STABILIZER INSPAR RIB; AT STABILIZER STATION 129.50; 2ND VERTICAL STIFFENER IS CRACKED. ; / [01] CUT AND REMOVED THE DAMAGE FROM THE VERTICAL STIFFENER OF THE RIB PER SRM 55-10-09-2R-4.; [12] INSTALLED REPAIR PARTS ON RIB ASSY. IAW SRM 55-10-09-2R-4 PARA. 4 AND FIG. 202.; [13] RII INSPECTED INSTALLATION OF REPAIR PARTS ON RIB ASSY. IAW SRM 55-10-09-2R-4.; [14] APPLIED FILLET SEAL AND FINISH TO REPAIR PARTS AND RIB ASSY. IAW SRM 55-10-09-2R-4 PARA. 4.; [15] VERIFIED CORRECTIVE ACTION STEP 14.

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