# SDR SWAA2021060469763

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 6, 2021
- Submitted: June 4, 2021
- Operation: Air carrier
- Aircraft: [N220WN](https://openairdocs.org/aircraft/N220WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32491
- Aircraft time: 52,961 hours, 31,490 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Stiffener
- 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/SWAA2021060469763

## Discrepancy

DOT 20-A-22; RIGHT HORIZONTAL STAB RIB STA 92.70; RIB STIFFENER #2 CRACKED 1' ABOVE LOWER FLANGE ; / C.I.CED RIBI.A.W MM51-21-91-620-802; REINED RIB AT R/H HORZ STAB STA92.70 TO REPAIR #2 RIB STIFFENER I.A.W SRM51-40-02-0G-0.<BR>REMOVED DAMGE AT #2 RIB STIFFENER I.A.W SRM 55-10-09-2R-4<BR>FABRICTED REPAIR PARTS I.A.W SRM55-10-09-2R-4.<BR>INSTALLED REPAIR PARTS I.A.W SRM55-10-09-2R-4.<BR>REINSTALLED RIB I.A.W SRM51-40-02-0G-0 AND BOEING DWG 002A0001 REV:C; CIC AND SUMMARY OK AUDIT OK

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