# SDR SWAA2021042257929

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2021
- Submitted: April 22, 2021
- Operation: Air carrier
- Aircraft: N551WN
- Make and model: Boeing 737-76Q
- Registry model: [Boeing 737-76Q](https://openairdocs.org/model/boeing-737-76q) (OpenAirDocs)
- Aircraft serial: 30280
- Aircraft time: 60,799 hours, 37,574 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Condition: Corroded
- Location: Bs 727b-787
- 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/SWAA2021042257929

## Discrepancy

***CORROSION*** ON FLOOR TO SIDEWALL SUPPORT AT AFT CARGO BAY BS727B - BS787 LBL21 WL157. / REMOVED AND REPLACED FLOOR SIDEWALL SUPPORT AT AFT CARGO BAY BS 727 - 847 LBL 21. WL. 157 I.A.W SRM 51-40-02-0G-0. AND DRAWING # 146A7500. FOOR TO SIDEWALL SUPPORT WAS EVALUATED. AND FOUND TO BE OUT OF LIMITS. I.A.W SRM 53-00-53-1A-2; L=1.1' X W=0.7' X D=0.007' FROM ORIGINAL THICKNESS OF 0.040' PART CALLED REPAIRABLE BY REPLACEMENT

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