# SDR SWAA2021081591243

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2020
- Submitted: August 16, 2021
- Operation: Air carrier
- Aircraft: [N481WN](https://openairdocs.org/aircraft/N481WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29853
- Aircraft time: 55,339 hours, 32,689 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Shield
- Condition: Corroded
- Location: Aft Cargo
- 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/SWAA2021081591243

## Discrepancy

AFT CARGO BAY R/H SHIELD HAS CORROSION AROUND NUT PLATE HOLES BS767 TO BS794 RBL23 WL156 / EVALUATED CORROSION ON SHIELD (PART #146A8127-12); FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN SRM; REPLACEMENT OF PARTS REQUIRED; REMOVED AND REPLACED ACB R/H SHIELD BS 767 TO BS 794; RBL23 WL156 IAW SRM 51-10-02-0G-0 PARA 9; SRM 51-40-02-0G-0 PARA 5(B); AND DWG 146A0081

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