# SDR SWAA2020050442071

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2020
- Submitted: May 4, 2020
- Operation: Air carrier
- Aircraft: [N7877H](https://openairdocs.org/aircraft/N7877H), registered now
- Make and model: Boeing 737-7Q8
- Registry model: [Boeing 737-7Q8](https://openairdocs.org/model/boeing-737-7q8) (OpenAirDocs)
- Aircraft serial: 29359
- Aircraft time: 45,572 hours, 24,172 cycles
- System (JASC): [5514 · Horizontal Stabilizer Miscellaneous Structure](https://openairdocs.org/jasc/5514)
- Part: Stiffener
- Condition: Cracked
- Location: Lt Horiz Stab
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2020050442071

## Discrepancy

L/H HORIZONTAL STABILIZER; STA.120.3; RIB 4 STIFFENER 3 CRACKED. / EVALUATED CRACK FOUND TO BE OUT OF LIMITS; GAINED ACCESS + INSTALLED REPAIR FROM KIT ON 3RD STIFFENER AT STA 120.3 RIB #4 IN L/H HORIZONTAL STABILIZER IAW SRM 55-10-09-2R-5

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