# SDR SWAA2021110126315

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2021
- Submitted: November 1, 2021
- Operation: Air carrier
- Aircraft: N420WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29825
- Aircraft time: 66,751 hours, 39,284 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: None
- 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/SWAA2021110126315

## Discrepancy

CRACK IN SPAR RIB HSS 120.30 AT 19 INCHES OF FRONT SPAR AT RT HORIZONTAL STAB.  INSTALLED REPAIR, ANGLE, T-SECTION, AND FILLER ON INSPAR RIB .

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