# SDR SWAA2020052674592

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2020
- Submitted: May 26, 2020
- Operation: Air carrier
- Aircraft: [N474WN](https://openairdocs.org/aircraft/N474WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33861
- Aircraft time: 54,664 hours, 32,440 cycles
- System (JASC): [5514 · Horizontal Stabilizer Miscellaneous Structure](https://openairdocs.org/jasc/5514)
- Part: Stiffener
- Condition: Cracked
- Location: Rt 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/SWAA2020052674592

## Discrepancy

RIGHT HORIZ STABILIZER (POS 2) STA 120.30 NR 4 INSPAR RIB ASSY CRACKED AT NR 3 STIFFENER.  INSTALLED RT HORIZONTAL STAB MACHINED INSPAR RIB STIFFENER REPAIR PER REF SRM 55-10-09-2R-4 REPAIR 4.

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