# SDR SWAA2020101419304

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2020
- Submitted: October 14, 2020
- Operation: Air carrier
- Aircraft: [N7878A](https://openairdocs.org/aircraft/N7878A), registered now
- Make and model: Boeing 737-7K9
- Registry model: [Boeing 737-7K9](https://openairdocs.org/model/boeing-737-7k9) (OpenAirDocs)
- Aircraft serial: 34320
- Aircraft time: 46,793 hours, 22,683 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/SWAA2020101419304

## Discrepancy

LEFT HAND HORIZONTAL STABILIZER INSPAR RIB; AT STATION 110.10; 3RD VERTICAL STIFFENER IS CRACKED. / REPAIRED 3RD VERTICAL STIFFENER ON L/H HORIZ. STAB. INSPAR RIB AT STA. 111.10 IAW SRM 55-10-09-2R-4 PARA 4. FIG. 202.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.