# SDR SWAA2021081681053

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2020
- Submitted: August 16, 2021
- Operation: Air carrier
- Aircraft: [N477WN](https://openairdocs.org/aircraft/N477WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33988
- Aircraft time: 55,517 hours, 32,839 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/SWAA2021081681053

## Discrepancy

***CORROSION*** ON FORWARD CARGO BAY SHIELD AT B.S. 494-500A; R.B.L. 24; W.L. 154. / REMOVED DAMAGED FORWARD CARGO BAY SHIELD AT BS 494 - 500A; RBL 24 IAW SRM 51-40-02. RECEIVED A NEW SHIELD SI # 7531855 FROM STORES. REF: PO 792191; LOCATED AND DRILLED NEW PART IAW SRM 51-40-05-0G-0 AND DWG 143A0080; SH 19; REV-. OK TO INSTALL 92149C 03JUN20 INSP 316 03JUN20 INSTALLED NEW PART IAW SRM 51-40-02 AND DWG 143A0080 SH 19 REV-

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