# SDR SWAA2022110152306

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2022
- Submitted: November 1, 2022
- Operation: Air carrier
- Aircraft: [N210WN](https://openairdocs.org/aircraft/N210WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34162
- Aircraft time: 59,036 hours, 35,216 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Intercostal
- Condition: Cracked
- Location: Zn 900 Lav/Galle
- 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/SWAA2022110152306

## Discrepancy

FWD CABIN INTERCOSTAL BETWEEN STA 344 AND 360 BL-0 WL 208.1 IS CRACKED. 124-011 / [01] PERFORMED HFEC INSPECTION PER B737 NDT PART 6 51-00-00 PROCEDURE 23; VERIFIED 2 CRACKS. CRACK LENGTHS ARE BOTH 0.750'. TOOL USED OLYMPUS NORTEC 600 B/C 172389; CAL DUE DATE 03/23.;[02] REMOVED INTERCOSTAL BETEEN STA 344 AND STA 360; BL-0 WL- 208.1 AS PER B737-7 SRM 51-40-02-0G-0.;[03] LOCATED AND OPENED NEW FASTENER HOLES AT NEW INTERCOSTAL BETWEEN STA 344 TO STA 360 AND BL-0 AS PER B737-7 SRM 51-40-02-0G-0.;[04] VERIFIED STEP 2 REMOVED INTERCOSTAL BETEEN STA 344 AND STA 360; BL-0 WL- 208.1;[05] VERIFIED STEP 3 - LOCATED AND OPENED NEW FASTENER HOLES AT NEW INTERCOSTAL BETWEEN STA 344 TO STA 360 AND BL-0<BR>OK TO INSTALL NEW INTERCOSTAL;[06] INSTALLED NEW INTERCOSTAL BETWEEN STA 344 TO STA 360 AND BL-0 AS PER B737-7 SRM 51-40-02-0G-0.;[07] VERIFIED STEP 6 - INSTALLED NEW INTERCOSTAL BETWEEN STA 344 TO STA 360 AND BL-0

---
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.