# SDR SWAA2020112427522

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 2, 2020
- Submitted: November 24, 2020
- Operation: Air carrier
- Aircraft: [N210WN](https://openairdocs.org/aircraft/N210WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34162
- Aircraft time: 53,736 hours, 31,996 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Stiffener
- Condition: Cracked
- Location: Horizontal 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/SWAA2020112427522

## Discrepancy

RIGHT HORIZONTAL STAB LEADING EDGE FRONT SPAR INNER RIB NR 4 HAS STIFFENER NR 3 CRACKED AT LOWER RADIUS.  REPAIRED RIB NR 4 OF HORIZONTAL STAB RT, AT STIFFENER NR 3, AS PER B737 SRM 55-10-09-2R-4.  KIT USED FOR REPAIR P/N 7551022.

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