# SDR SWAA2022053100803

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2022
- Submitted: May 31, 2022
- Operation: Air carrier
- Aircraft: [N479WN](https://openairdocs.org/aircraft/N479WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33990
- Aircraft time: 59,976 hours, 35,850 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Condition: Corroded
- Location: Aft Cargo Bay
- 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/SWAA2022053100803

## Discrepancy

R/H AFT CARGO COMPARTMENT FLOOR @ STA 727 - STA727D STR 25R WL 160 Z CHANNEL HAS CORROSION IN SEVERAL AREAS. (18-043). REMOVED CORROSION AT R/H AFT CARGO COMPARTMENT FLOOR STA 727-STA 727D STR 25R WL160 Z CHANNEL AS PER REF B737 SRM 51-10-02-0G-0 FOUND EXFOLIATE CORROSION AS PER REF B737 SRM 53-00-53)1A-2;R/H AFT CARGO COMPARTMENT FLOOR STA 727-STA 727D STR 25R WL160 Z CHANNEL AS PER REF B737 SRM 51-10-02-0G-0 FOUND EXFOLIATE CORROSION OUT OF LIMITS; AS PER REF B737 SRM 53-00-53)1A-2

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