# SDR SWAA2021091500085

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2021
- Submitted: September 15, 2021
- Operation: Air carrier
- Aircraft: [N447WN](https://openairdocs.org/aircraft/N447WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33720
- Aircraft time: 58,733 hours, 34,620 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Shield
- Condition: Corroded
- Location: Bs 514 Rbl 24
- 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/SWAA2021091500085

## Discrepancy

CORROSION ON AFT SHIELD FWD CARGO BAY BS 514 RBL 24 WL 156 ; / [01] CORROSION FOUND ON AFT SHIELD FWD CARGO BAY BS 514 RBL24 WL156; P/N 143A8126-19; FOUND TO BE OUT OF LIMIT ON SRM PART WILL BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02-0G-0 PAR. 9.C.; [02] VERIFIED CORROSION FOUND ON AFT SHIELD FWD CARGO BAY BS 514 RBL24 WL156; P/N 143A8126-19; FOUND TO BE OUT OF LIMIT ON SRM PART WILL BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02-0G-0 PAR. 9.C.; [03] PART WAS REPLACED AND INSTALLED AT FAULT CARD# TTG8Q005ZTDY; [04] UPDATED MEASUREMENTS SECTION; [05] VERIFIED CORRECTIVE ACTIONS 3; 4. <BR><BR>PART WAS REPLACED ON TTG8Q005ZTDY

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