# SDR SWAA2021041392883

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2020
- Submitted: April 13, 2021
- Operation: Air carrier
- Aircraft: [N8637A](https://openairdocs.org/aircraft/N8637A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 42523
- Aircraft time: 21,417 hours, 9,425 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Condition: Corroded
- Location: Aft Cargo
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021041392883

## Discrepancy

AFT CARGO BAY; Z-ANGLE (SHEILD) HAS CORROSION AT BS 767 TO BS 787 AND RBL 22 AND WL 157 / BLENDED CORROSION FROM AFT CARGO Z ANGLE (FWD SHEILD) STA 767 TO 787 RBL 22 IAW B737 SRM 51-10-02-0G-0. FOUND OUT OF LIMITS WITH MORE THAN 10% LOSS ORIG .050' REMAIN .030 LOSS .020 IAW B737 SRM 53-60-15-1A-1. REMOVED & REPLACED SHIELD IAW BOEING DWG 146A0081 REV A & B737 SRM 51-40-02-0G-0 P/N 146A8127-12

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