# SDR SWAA2021031547306

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2021
- Submitted: March 15, 2021
- Operation: Air carrier
- Aircraft: N404WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27892
- Aircraft time: 67,080 hours, 39,612 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Condition: Cracked
- Location: Horizontal 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/SWAA2021031547306

## Discrepancy

R/H HORIZ STAB REMOVABLE L/E 4TH RIB FROM I/B END IS CRACKED / REMOVED AND REPLACED CRACKED R/H HORZ. STAB. REMOVABLE L/E RIB; 4TH FROM I/B END IAW SRM 51-40-02-0G-0 STEP 4 AND DWG # 186A1001

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