# SDR SWAA2021030948395

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2021
- Submitted: March 9, 2021
- Operation: Air carrier
- Aircraft: N935WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36641
- Aircraft time: 39,462 hours, 23,697 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Part number: SWA5510000301
- Condition: Cracked
- Location: R/H Horiz. 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/SWAA2021030948395

## Discrepancy

CRACK INSPAR RIB 111.10 AT 26 INCH FROM FRONT SPAR AT RT HORIZONTAL STABILIZER REPAIRED INSPAR RIB 111.10 AT 26 INCH FROM FRONT SPAR AT RT HORIZONTAL STABILIZER IAW B737700 SRM 5510092R4 REPAIR 4 REPAIRED DUE TO NOT FOUND ALLOWABLE DAMAGE LIMITS ON B737700 SRM MATERIAL USED KIT PN SWA 5510000301.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.