# SDR SWAA2021070280163

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2021
- Submitted: July 2, 2021
- Operation: Air carrier
- Aircraft: [N7721E](https://openairdocs.org/aircraft/N7721E), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 34479
- Aircraft time: 50,877 hours, 26,372 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floor Panel
- Condition: Corroded
- Location: Aft Cargo
- 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/SWAA2021070280163

## Discrepancy

A-61 DOT 017 AFT PIT FLOOR PNL 140AF HAS CORROSION AN L/E OF PNL STA 727+4' LBL 25 TO RBL 25 WL 155 AND STA 727D +6' TO STA 727D +12' RBL 25 WL 155 ; / [01] VERIFIED MATERIAL TO FABRICATE NEW FLOOR PANEL 140AF AS 2024-T3 .071' ATAG A53456 IAW AMM 25-52-01-201-801; [02] C/W STEP 1; [03] FABRICATED NEW FLOOR PANEL 140AF IAW AMM 25-52-01-201-801; [04] VERIFIED STEP 3<BR>AUDIT C/W

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