# SDR SWAA2021090706326

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2021
- Submitted: September 7, 2021
- Operation: Air carrier
- Aircraft: N755SA
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27871
- Aircraft time: 74,723 hours, 44,099 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Shield
- Condition: Corroded
- Location: Bs 767-775 Rbl21
- 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/SWAA2021090706326

## Discrepancy

CORROSION ON FWD SHIELD AT AFT CARGO BAY BS767 - BS775 RBL21 WL157. ; / [01] EVALUATED CORROSION; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [02] VERIFIED EVALUATED CORROSION; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [03] REMOVED SHIELD BS 767-794 RBL 21; WL 157 PER SRM 51-40-02-0G-0.; [04] RECEIVED NEW SHIELD P/N: 146A8127U1 AT AFT CARGO BAY BS 767 TO BS 775 RBL 21 WL 157.<BR>LOCATED AND DRILLED NEW SHIELD . IAW. SRM 51-40-05 AND DGW: 146A0081.; [05] VERIFIED LOCATE AND DRILL; [06] VERIFIED CORRECTIVE ACTIONS 3-5.<BR><BR>NEW SHIELD LOCATED AND DRILLED.; [07] OK TO INSTALL.; [08] OK TO INSTALL SHIELD STA 767-775; [09] INSTALLED ACB NEW FWD SHIELD AT BS767 - BS787; RBL21; WL157 PER SRM 51-40-02-0G-0 AND DWG 146A0081; [10] VERIFIED CORRECTIVE ACTION 9; [11] VERIFIED JOB COMPLETE

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