# SDR SWAA2022021500438

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 26, 2018
- Submitted: February 15, 2022
- Operation: Air carrier
- Aircraft: N777QC
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 30592
- Aircraft time: 63,466 hours, 37,367 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Support
- Condition: Corroded
- Location: Aft Cargo Compt
- 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/SWAA2022021500438

## Discrepancy

***CORROSION*** AFT CARGO BAY R/H FLOOR TO SIDEWALL SUPPORT HAS CORROSION ON UPPER SURFACE BS 920-947 / REMOVED DAMAGE FROM ACB R/H FLOOR TO SIDEWALL SUPPORT BETWEEN B920-BS947 AREA L=2'; W=1.1' REMAINING THICKNESS 0.033' ORIGINAL THICKNESS 0.040'. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2. REMOVED; FABRICATED AND INSTALLED NEW R/H FLOOR SIDEWALL SUPPORT AT ACB BS867-BS947 IAW SRM 51-40-02-0G-0 DWG 146A7500; DWG 147A7500 AND DWG 147A9409

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