# SDR SWAA2022110152308

- 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): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- 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/SWAA2022110152308

## Discrepancy

FWD CABIN INTERCOSTAL BETWEEN STA 344 AND 360 RBL 11 WL 208.1 IS CRACKED. 124-013 / [01] PERFORMED HFEC INSPECTION PER B737 NDT PART 6 51-00-00 PROCEDURE 23; VERIFIED CRACK. CRACK LENGTH 1.500'. TOOL USED OLYMPUS NORTEC 600 B/C 172389; CAL DUE DATE 03/23.;[02] INSTALLED EWIS PROTECTION AT FLOOR STRUCTURE BETWEEN STA344 TO STA 360 AND BETWEEN BL-O TO RBL 30 AS PER B737-7 AMM 20-60-07-913-801;[03] REMOVED INTERCOSTAL BETWEEN STA 344 TO STA 360 AND RBL 11 AS PER B737-7 SRM 51-40-02-0G-0;[04] LOCATED AND OPENED NEW HOLS AT INTERCOSTAL BETWEEN STA 344 TO STA 360 AND RBL 11 AS PER B737-7 SRM 51-40-02-0G-0.;[05] VERIFIED STEP 2;[06] VERIFIED STEPS 3 AND 4;[07] OK TO INSTALL NEW INTERCOSTAL BETWEEN STA 344 TO STA 360 AND RBL 11;[08] INSTALLED NEW INTERCOSTAL BETWEEN STA 344 TO STA 360 AND RBL 11 AS PER B737-7 SRM 51-40-02-0G-0.;[09] REMOVED EWIS PROTECTION BETWEEN STA 344 TO STA 360 AND BETWEEN BL-0 TO RBL 30 AS PER B737-7 AMM 20-60-07-913-801.;[10] VERIFIED STEP 8 - INSTALLED NEW INTERCOSTAL BETWEEN STA 344 TO STA 360 AND RBL 11;[11] VERIFIED STEP 10

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