# SDR SWAA2022072519051

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 15, 2022
- Submitted: July 25, 2022
- Operation: Air carrier
- Aircraft: [N478WN](https://openairdocs.org/aircraft/N478WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33989
- Aircraft time: 60,197 hours, 35,659 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Cracked
- Location: Fuselage
- 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/SWAA2022072519051

## Discrepancy

FWD CABIN BETWEEN STA 344 AND STA 360 WL 208.1 INTERCOSTAL AT BL 0 IS CRACKED AS MARKED. 124-057 / [01] INSTALLED EWIS PROTECTION AT REPAIR AREA AS PER B-737-700 AMM.20-60-07-913-801;[02] REMOVED DAMAGE INTERCOSTAL AT FWD. CABIN BETWEEN STA. 344 TO 366 BL 0;[03] LOCATED AND DRILLED NEW INTERCOSTAL AT FWD. CABIN BETWEEN STA. 344 AND 360 BL 0 AS PER B-737-700 SRM. 51-40-05-0G-0;[04] VERIFIED 1-3. OK TO INSTALL NEW INTERCOSTAL.;[05] INSTALLED INTERCOSTAL AT FWD. CABIN BETWEEN STA. 344 AND STA. 366 AT BL 0 IAW B737-700 SRM 51-40-02-0G-0;[06] FINAL REMOVED AND INSTALLED NEW INTERCOSTAL AT FWD. CABIN BETWEEN STA. 344 AND STA. 366 AT BL 0 IAW B737-700 SRM 51-40-02-0G-0;[07] (LATE ENTRY) REMOVED EWIS PROTECTION AT REPAIR AREA AS PER B737-700 AMM 20-60-07-913-801.;[08] VERIFIED AND INSPECTED STEP#5; #6 AND #7.;[09] INSPECTED.;[10] (AMENDING STEP 5) INSTALLED INTERCOSTAL AT FWD. CABIN BETWEEN STA. 344 AND STA. 366 AT BL 0 IAW B737-700 SRM 51-40-02-0G-0 AND DWG #141A5400.

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