# SDR SWAA2020040126817

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2020
- Submitted: April 1, 2020
- Operation: Air carrier
- Aircraft: [N799SW](https://openairdocs.org/aircraft/N799SW), registered now
- Make and model: Boeing 737-7Q8
- Registry model: [Boeing 737-7Q8](https://openairdocs.org/model/boeing-737-7q8) (OpenAirDocs)
- Aircraft serial: 28209
- Aircraft time: 73,404 hours, 42,536 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Part number: 111A13015
- Condition: Cracked
- Location: Lt Mlg Ww
- 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/SWAA2020040126817

## Discrepancy

BS 663; VAPOR BARRIER WEB; HORIZONTAL STIFFENER; LBL 6 TO LBL 30; P/N 111A1301-5; CRACKED. / LOCATED AND DRILLED NEW STIFFNER PART # 111A1301-5 PER DWG 111A1001 REV - AND SRM 51-40-05-0G-0. -5 STIFFNER REMOVED AND REPLACED ON CARD NO. Y174343

---
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.