# SDR SWAA2022050386912

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2022
- Submitted: May 3, 2022
- Operation: Air carrier
- Aircraft: [N424WN](https://openairdocs.org/aircraft/N424WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29828
- Aircraft time: 66,349 hours, 39,132 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support 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/SWAA2022050386912

## Discrepancy

CORROSION AFT CARGO COMPARTMENT BILGE R/H SIDE SUPPORT ZEE CHANNEL FROM STA 727 TO STA 767 MKD DOT / [01] EVALUATED CORROSION AT AFT CARGO COMP BILGE R/H SIDE SUPPORT ZEE CHANNEL FROM BS 727 TO BS 767; FOUND EXFOLIATION AROUND FASTENERS HOLES ALONG THE PART; FOUND OUT OF LIMITS PER REF B737 SRM 53-00-53-1A-2 FIG 103 DETAIL D;[02] RECEIVED NEW ZEE CHANNEL (BS 727 TO STA 767); INSTALLATION WILL BE ACCOMPLISHED ON CUSTOMER CARD 5360-E-16462-NG (TTG8Q004E4ZB).;[03] VERIFIED STEP 2.

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