# SDR SWAA2022011251074

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2021
- Submitted: January 12, 2022
- Operation: Air carrier
- Aircraft: [N7868K](https://openairdocs.org/aircraft/N7868K), registered now
- Make and model: Boeing 737-79P
- Registry model: [Boeing 737-79P](https://openairdocs.org/model/boeing-737-79p) (OpenAirDocs)
- Aircraft serial: 29364
- Aircraft time: 46,433 hours, 31,343 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Stiffener
- Condition: Cracked
- Location: Horizontal Stab
- Stage of operation: UK
- 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/SWAA2022011251074

## Discrepancy

RH HOR. STAB INSPAR RIB NO. 4 AT STAB STA 120.30 STIFFENER NO. 4 CRACKED ; / [01] CUT AND REMOVED THE DAMAGED FROM THE VERTICAL STIFFNER #4 AT R/H HORIZONTAL STABILIZER INSPAR RIB #4 REF SRM 55-10-09-2R-4[15] REPAIRED R/H HORIZONTAL STAB. MACHINED INSPAR RIB#4 STIFFENER#4 PER REF B737-700 SRM 55-10-09-2R-4.; [16] VERIFIED COMPLETION OF R/H HORIZONTAL STAB. MACHINED INSPAR RIB#4 STIFFENER#4 REPAIR PER REF B737-700 SRM 55-10-09-2R-4.

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