# SDR SWAA2022020356642

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2021
- Submitted: February 3, 2022
- Operation: Air carrier
- Aircraft: [N452WN](https://openairdocs.org/aircraft/N452WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29846
- Aircraft time: 60,081 hours, 35,724 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Cracked
- Location: Fuselage
- Stage of operation: UK
- 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/SWAA2022020356642

## Discrepancy

FWD WET AREA STATION 312 - 328 INTERCOSTAL CRACKED RBL 30 ; / [01] PERFORMED HFEC AND CONFIRMED CRACK ON UPPER SECTION OF INTERCOSTAL AT FWD WET AREA BETWEEN STA 312 AND STA 328 AT RBL 30 IAW NDTM PART 6;51-00-00 PROCEDURE 23. CRACK LENGTH : 0.787' ( AT 12 AND 6 O'CLOCK POSITION GOING THROUGH FASTENER HOLE).; [02] REMOVED AND REPLACED INTERCOSTAL AT STA 312- STA 328 RBL 30 IN REFERENCE B-737 700 SRM 51-40-02-0G-0 ; SRM 51-40-05-0G-0.; [03] ADDING DRWG # 141A5400.; [04] VERIFIED STEPS 2 AND 3.

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