# SDR SWAA2020041435517

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2020
- Submitted: May 4, 2022
- Operation: Air carrier
- Aircraft: N553WN
- Make and model: Boeing 737-7BX
- Registry model: [Boeing 737-7BX](https://openairdocs.org/model/boeing-737-7bx) (OpenAirDocs)
- Aircraft serial: 30745
- Aircraft time: 59,303 hours, 33,667 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Condition: Corroded
- Location: Fuselage
- 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/SWAA2020041435517

## Discrepancy

SUPPLEMENTAL INFORMATION: ***CORROSION*** AFT CARGO BAY L/H FLOOR TO SIDEWALL SUPPORT CORRODED BS 727 - 847. WL 156 LBL 21. / EVALUATED CORROSION ON ACB L/H FLOOR TO SIDEWALL SUPPORT; BS 727 847; REMOVED .020' FROM ORIG .040'; FOUND TO BE OUT OF LIMITS; IAW SRM 53-00-53-1A-2; REMOVED DAMAGED SIDEWALL SUPPORT; LOCATED; DRILLED; DEBURRED; AND INSTALLED NEW L/H ACD FLOOR TO SIDEWALL SUPPORT; BS 727 - 847; IAW SRM 51-40-05-0G-0; DWG 146A7500.; DWG 146A7502

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