# SDR SWAA2020062987158

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 27, 2020
- Submitted: June 30, 2020
- Operation: Air carrier
- Aircraft: [N928WN](https://openairdocs.org/aircraft/N928WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36890
- Aircraft time: 40,809 hours, 24,748 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Part number: 143A7505
- Condition: Corroded
- Location: Bs 500a-500d
- 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/SWAA2020062987158

## Discrepancy

FWD CARGO PIT FLOOR RH Z-ANGLE IS CORRODED AT BS 500A TO 500D; RBL 24; WL 156. / REMOVED CORROSION FROM Z-ANGLE STA 500A TO 500B; WL156; RBL 24; ORG THICKNESS .040' REMAINING .032' LOSS .008' FOUND Z-ANGLE TO BE OUT OF LIMITS. FABRICATED NEW Z-ANGLE STA 500A TO 500D; REMOVED OLD Z-NAGLE AND INSTALLED NEW A-ANGLE AND APPLYIED PROTECTIVE FINISH IAW SRM 51-40-02-0G-0,  SRM 53-00-53-1A-2, DWG 143A7505 REV-, DWG 143A7500, REV-, DWG 143A7501, REV H, SRM 51-40-05-0G-0, AND  SRM 51-40-10-2R-0.

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