# SDR SWAA2017072515198

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2017
- Submitted: July 25, 2017
- Operation: Air carrier
- Aircraft: N7859B
- Make and model: Boeing 737-7Q8
- Registry model: [Boeing 737-7Q8](https://openairdocs.org/model/boeing-737-7q8) (OpenAirDocs)
- Aircraft serial: 30641
- Aircraft time: 44,630 hours, 29,803 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Stiffener
- Part number: 6573782
- 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/SWAA2017072515198

## Discrepancy

LEFT HORIZONTAL STABILIZER IN SPAR RIB VERTICAL STIFFENER CRACKED AT HSS 111.1, NR 4 AFT LOWER.  REPAIRED THE STIFFENER IAW SRM.

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