# SDR SWAA2023121318890

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2023
- Submitted: December 13, 2023
- Operation: Air carrier
- Aircraft: [N454WN](https://openairdocs.org/aircraft/N454WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29851
- Aircraft time: 64,962 hours, 38,713 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- 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/SWAA2023121318890

## Discrepancy

CRACK ON FRAME LOCATED BS 747 BTW STR 8L TO STR 9L AT PASSENGER CABIN 2023-689259<[01] TOOL USED P/N: NORTEC 500D; S/N: N500X1693P030456; CAL DUE: 12-MAR-24.;[02] VERIFIED CRACK ON FRAME BS 747 BTW STR 8L TO STR 9L BY HFEC INSPECTION IAW NDT PART 6; 51-00-00 PROCEDURE 16 AND CRACK NOT FOUND RESTORED TO NORMAL CONDITION. REFER TO INDIVIDUAL SIGN OFF BELOW.;[03] TASK CARD COMPLETED <BR>VERIFIED CRACK ON FRAME BS 747 BTW STR 8L TO STR 9L BY HFEC INSPECTION IAW NDT PART 6; 51-00-00 PROCEDURE 16 AND CRACK NOT FOUND RESTORED TO NORMAL CONDITION. REFER TO INDIVIDUAL SIGN OFF BELOW.

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