# SDR SWAA2023101697283

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 2023
- Submitted: October 16, 2023
- Operation: Air carrier
- Aircraft: [N448WN](https://openairdocs.org/aircraft/N448WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33721
- Aircraft time: 64,386 hours, 38,370 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Pressure Deck
- Part number: UNKNOWN
- Condition: Cracked
- Location: Zn 100 Fus Lower
- 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/SWAA2023101697283

## Discrepancy

CRACK INDICATION FOUND ON HORIZONTAL PRESSURE DECK LBL 31 AT MAIN WHEEL WELL COMPARTMENT. CRACK LENGTH: 0.375 INCH 2023-569404<[01] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 60009161631; DUE DATE: 31-JAN-24.;[02] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 60009161631; DUE DATE: 31-JAN-24.;[03] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 60009161631; DUE DATE: 31-JAN-24.;[04] REPAIRED HORIZONTAL PRESSURE DECK WEB BTW LBL 30 TO LBL 60 IAW B737-700 SRM 53-40-51-2R-2 REPAIR 2. THIS REPAIR IS CATEGORY A. SEE INDIVIDUAL SIGNSOFF BELOW.;[05] CERTIFIED RII MAJOR REPAIR PERFORMED. <BR>SEE INDIVIDUAL SIGNOFFS BELOW.

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