# SDR SWAA2020102822772

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2020
- Submitted: October 28, 2020
- Operation: Air carrier
- Aircraft: [N8653A](https://openairdocs.org/aircraft/N8653A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 37037
- Aircraft time: 20,453 hours, 8,984 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Part number: 143A7500
- Condition: Corroded
- Location: Fwd 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/SWAA2020102822772

## Discrepancy

FWD PIT LT FLOOR SUPPORT Z ANGLE UPPER SURFACE CORRODED STA 500A TO 500I AT LBL24' AND W/L 157.  REMOVED CORROSION FROM FWD PIT LT FLOOR SUPPORT Z ANGLE UPPER SURFACE STA 500A TO 500I LBL 24 W/L 157 AND VERIFIED WITH 10X MAGNIFYING GLASS, IAW SRM 51-10-02-0G-0.  ORIGINAL THICKNESS .040', REMAINING THICKNESS .027', MATERIAL LOSS OF .013' 'OUT OF LIMITS', IAW SRM 53-00-53-1A-2.  FABRICATED NEW Z ANGLE AND INSTALLED, IAW SRM 53-00-53-1A-2 BOEING DWG 143A7500 REV - AND SRM 51-40-02-0G-0 P/N 143A7501-231 A TAG A73404 AAR TOOL 36647 DATE 05-27-21.

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