# SDR SWAA2022060603331

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2022
- Submitted: June 6, 2022
- Operation: Air carrier
- Aircraft: [N7735A](https://openairdocs.org/aircraft/N7735A), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 34862
- Aircraft time: 51,916 hours, 27,874 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: 146A750227
- 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/SWAA2022060603331

## Discrepancy

**CORROSION** AFT CARGO L/H 'Z' CHANNEL CORRODED. STA-727 TO STA-847; LBL-31 WL-156 (CORRECTION)**CORROSION** AFT CARGO L/H '' CHANNEL CORRODED. STA-727 TO STA-847 LBL-22 WL-156 / [01] FOUND CORROSION EXFOLIATED CORROSION AND FOUND OUT OF LIMITSAS PER B737-700 SRM53-00-53-1A-2;[02] RECIVED NEW 'Z' CHANNEL AND WILL BE INSTALL ON WORK CARD TTG8Q00C92MF;[03] VERIFIED STEP 2

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.