# SDR SWAA2021021542053

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2021
- Submitted: February 15, 2021
- Operation: Air carrier
- Aircraft: N401WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29813
- Aircraft time: 68,079 hours, 40,102 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Attach Angle
- Part number: 273A911245
- Condition: Cracked
- Location: Pax Cabin
- 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/SWAA2021021542053

## Discrepancy

PASSENGER CABIN INTERCOSTAL ATTACH TAB IS CRACKED (273A9112-45) BS692 RBL24 WL204. / REMOVED AND REPLACED INTERCOSTAL ATTACH TAB P/N 273A9112-45; BS692; RBL24 WL204 PER B737 SRM 51-40-02-OG-0 AND BOEING DWG 273A9110. FABRICATED FROM BAC1490-2782-7075-0 PER BOEING DWG 273A9112; RECEIVED PART HEAT TREATED TO T73 CONDITION FROM OSS P.O. #812834-SWA

---
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.