# SDR SWAA2023082976705

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2023
- Submitted: August 29, 2023
- Operation: Air carrier
- Aircraft: [N442WN](https://openairdocs.org/aircraft/N442WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32459
- Aircraft time: 65,998 hours, 39,319 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Plate
- Part number: UNKNOWN
- Condition: Corroded
- 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/SWAA2023082976705

## Discrepancy

AFT CARGO;SIDE PLATE ASSY RBL 21.80 ;BS 747 TO 767 ; (4 EACH) CORROSION SPOTS.<[01] AFT CARGO R/H Z-CHANNEL WILL BE REPLACED FROM STA 727E TO 767 DUE TO OUT OF LIMITS CORROSION.<BR>FOR WORK ACCOMPLISHED REFERENCE TASKCARD #TTG8Q00M3SV6;[02] CORRECTION STEP 1: AFT CARGO R/H Z-CHANNEL WILL BE REPLACED FROM STA 727C TO 767 DUE TO OUT OF LIMITS CORROSION.<BR>FOR WORK ACCOMPLISHED REFERENCE TASKCARD #TTG8Q00M3SV6;[03] VERIFIED STEP 2; Z CHANNEL WILL BE REPLACED ON TTG8Q00M3SV6.

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