# SDR SWAA2022092765156

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2022
- Submitted: September 27, 2022
- Operation: Air carrier
- Aircraft: [N489WN](https://openairdocs.org/aircraft/N489WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33855
- Aircraft time: 57,460 hours, 34,246 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/SWAA2022092765156

## Discrepancy

CORROSION ON AFT CARGO BAY FWD DOOR SHIELD AT RBL 22 BS 767+3; BS 767+19. / [01] NO ALLOWABLE DAMAGE LIMITS IN SRM REPAIR BY REPACEMENT IAW SRM 51-10-02-0G-0 PARAGRAPH # 9;[02] REMOVED ON AFT CARGO BAY FWD DOOR SHIELD AT RBL 22 BS 767; TO BS 787+6 WL 156 IAW SRM 51-40-02.;[03] LOCATED AND DRILLED ON AFT CARGO BAY FWD DOOR NEW SHIELD AT RBL 22 BS 767; TO BS 787+6 WL 156 IAW SRM 51-40-05 AND DWG 146A0081 REV:A;[04] CORRECTIVE ACTION:LOCATED AND DRILLED ON AFT CARGO BAY FWD DOOR NEW SHIELD AT RBL 22 BS 767; TO BS 787+6 WL 156 P/N 146A8127-12 LOT :1494181-1 PO#871693/1 IAW SRM 51-40-05 AND DWG 146A0081 REV:A<BR>CORRECTIVE;[05] VERIFIED CORRECTIVE ACTION 4.;[06] APPLIED TOPCOAT BMS10-11 TYPE II AT 14:30UTC (7:30 LOCAL TIME) ON FWD CARGO FWD DOOR SHIELD AT RBL 22 BS 767+3 AND RBL 22 BS 767+19 IAW AMM 51-21-73-370-804 4.E.(2);[07] PAINT USED: BMS10-11 TYPE II; LOT#: 1500062-1; PN: BMS10-11T2CBBAC702GL;[08] CERTIFIED EDIT;[09] VERIFIED CORRECTIVE ACTION 6 AND 7;[10] TACK FREE CONDITION AND CIC ACCOMPLISHED ON TTG8Q00EEF1V;[11] VERIFIED CORRECTIVE ACTION 10<BR>VERIFIED MEASUREMENT TABLE

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