# SDR SWAA2020051845773

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2020
- Submitted: May 18, 2020
- Operation: Air carrier
- Aircraft: [N467WN](https://openairdocs.org/aircraft/N467WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33830
- Aircraft time: 55,710 hours, 32,961 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support Plate
- Condition: Corroded
- Location: Fuselage
- 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/SWAA2020051845773

## Discrepancy

AFT CARGO BAY L/H FLOOR TO SIDEWALL SUPPORT PLATE HAS AREAS OF CORROSION AROUND NUTPLATE HOLES BS727C TO BS787 LBL23 WL156 / EVALUATED CORROSION ON ACB L/H FLOOR TO SIDEWALL SUPPORT BS 727C-787; REMOVED .020' FROM ORIG .040' FOUND TO BE OUT OF LIMITS; IAW SRM 53-00-53-1A-2. REMOVED DAMAGED SECTION; BS 727B+10-787+10; FABRICATE NEW REPAIR PARTS; LOCATED; DRILLED; DEBURRED; APPLIED CHEMICAL CONVERSION COATING; AND INSTALLED; ACC IAW SRM 53-00-53-2R-5. MATERIAL BAC 1496-377 T075T62; LOT #427520-102.

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