# SDR SWAA2020111727398

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 31, 2020
- Submitted: November 17, 2020
- Operation: Air carrier
- Aircraft: [N7854B](https://openairdocs.org/aircraft/N7854B), registered now
- Make and model: Boeing 737-71B
- Registry model: [Boeing 737-71B](https://openairdocs.org/model/boeing-737-71b) (OpenAirDocs)
- Aircraft serial: 29372
- Aircraft time: 39,958 hours, 27,035 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/SWAA2020111727398

## Discrepancy

RT HORIZONTAL AT STAB STA 120.30 ON RIB NR 4 WITH A CRACK AT STIFFENER NR 3 LOWER END.  ACCOMPLISHED REPAIR ON RT HORIZONTAL STAB STA 120.30 NR 4 RIB STIFFNER NR 3, AS PER B737-700 SRM 55-10-09-2R-4 REPAIR 4 FIG 202.

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