# SDR SWAA2021081620408

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 11, 2020
- Submitted: August 16, 2021
- Operation: Air carrier
- Aircraft: [N427WN](https://openairdocs.org/aircraft/N427WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29831
- Aircraft time: 61,697 hours, 36,249 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Shield
- Condition: Corroded
- Location: Bs 494-500a
- 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/SWAA2021081620408

## Discrepancy

***CORROSION*** ON FORWARD CARGO BAY SHIELD AT B.S. 494-500A; W.L. 155; R.B.L. 21. / REMOVED AND INSTALLED NEW FCB SHIELD AT B.S.494-500A WL155; RBL21. PART# ATS FAB-103-303 IAW SRM 51-10-02-0G-0 STEP 9.C.; SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; DWG# 143A7126; DWG# 143A0080

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