# SDR SWAA2023021696284

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2023
- Submitted: February 16, 2023
- Operation: Air carrier
- Aircraft: [N276WN](https://openairdocs.org/aircraft/N276WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32530
- Aircraft time: 52,194 hours, 31,383 cycles
- System (JASC): [5322 · Fuselage Internal Mounting Structure](https://openairdocs.org/jasc/5322)
- Part: Track
- 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/SWAA2023021696284

## Discrepancy

CRACK TRACK LBL 17.24 AT BS 767 WL 156 AFT CARGO COMPARTMENT 2023-83757<[01] TOOL USED PN NORTEC 600D; SN 200048001; DUE DATE 30-MAR-23;[02] TOOL USED CALIPER P/N: 500-193-30 S/N: 0000291 DUE DATE: 12-OCT-23.;[03] PERFORMED REPAIR TRACK EXTRUSION;SPLICES (CHANNEL) (2EA) AND FASTENERS LOCATED ON LBL 17.24 BTW BS 747+10.5 INCH AND BS 767+9 INCH AFT CARGO COMPARTMENT IAW B737-700 SRM 53-00-53-2R-3 REPAIR 3 STEP 4; O TO P (1) (D) <BR>SEE INDIVIDUAL SIGNOFFS BELOW;[04] CORRECTED STEP 3<BR>PERFORMED REPAIR LOCATED ON LBL 17.24 BTW BS 747+10.5 INCH AND BS 767+9 INCH AFT CARGO COMPARTMENT IAW B737-700 SRM 53-00-53-2R-3 REPAIR 3. SEE INDIVIDUAL SIGNOFFS BELOW;[05] CORRECTED STEP 3 <BR>PERFORMED REPAIR LOCATED ON LBL 17.24 BTW BS 747+10.5 INCH AND BS 767+9 INCH AFT CARGO COMPARTMENT IAW B737-700 SRM 53-00-53-2R-3 REPAIR 3. SEE INDIVIDUAL SIGNOFFS BELOW

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