# SDR SWAA2022030425728

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 2019
- Submitted: March 4, 2022
- Operation: Air carrier
- Aircraft: [N277WN](https://openairdocs.org/aircraft/N277WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32531
- Aircraft time: 41,259 hours, 24,584 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Structure
- Condition: Cracked
- Location: Pressure Deck We
- 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/SWAA2022030425728

## Discrepancy

REF CUSTOMER CARD E14030 RBL 25-45 REAR SPAR VERTICAL PRESSURE DECK MODIFICATION AT BS 663. DURING OPEN HOLE HFEC INSPECTION; FOUND CRACK INDICATION AT INBD DOME NUT HOLE JUST INBD OF DRAIN HOLE. MARKED IN BLACK. / CUT AND REMOVED DAMAGED AREA OF LOWER CHORD AT STA 663 RBL 34 IAW 737-700 SRM 51-10-02-0G-0. REPAIRED AREA IAW EA 190230 IR DATED 04 APR 19 AND SWA EA 1-757-16117 REVIR DATED 04 APR 19.

---
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.