# SDR SWAA2021100116935

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2021
- Submitted: April 27, 2022
- Operation: Air carrier
- Aircraft: [N7751A](https://openairdocs.org/aircraft/N7751A), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 36717
- Aircraft time: 43,609 hours, 22,223 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Shield
- 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/SWAA2021100116935

## Discrepancy

CORROSION AFT CARGO BAY FWD SHIELD BS767+3 TO BS787 RBL22 WL156 ; / [01] CORRSION ON THE FWD SHIELD FROM BS767+3 TO BS787 RBL 22 WL 156 FOUND TO BE OUT OF LIMITS DUE TO NO SRM ALLOWABLE DAMAGE. THE STRUCTURAL ITEM WILL BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02 PARA 9C; [02] REMOVED SHIELD WEB FROM BS767 TO BS787 RBL 21 IAW SRM 51-40-02; [03] VERIFIED CORROSION REMOVAL IS OUT OF LIMITS PER DUE TO NO ALLOWABLE LIMITS IN THE SRM. SHIELD WILL BE REPLACED.; [04] LOCATED AND DRILLED NEW ACB SHIELD WEB PN#146A8127U12 PO#835804 FROM BS767-BS787 RBL 21 IAW SRM 51-40-02 AND IAW DWG#146A0081 INSTALLED ACB FWD SHIELD WEB FROM BS767-BS787 RBL 21 IAW SRM 51-40-02 AND IAW DWG#146A0081

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