# SDR SWAA2021122250723

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 2021
- Submitted: December 22, 2021
- Operation: Air carrier
- Aircraft: [N8673F](https://openairdocs.org/aircraft/N8673F), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36937
- Aircraft time: 20,472 hours, 9,411 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floor Panel
- Condition: Corroded
- Location: Fuselage
- Stage of operation: UK
- 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/SWAA2021122250723

## Discrepancy

DOT 05-186 FWD PIT FLOOR PANEL 120AF CORRODED ; / [01] EVALUATED FLOOR PANEL 120 AF AND FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-1 FIG 102 GREATER THAN 20'; [02] VERIFIED MATERIAL AS .071 2024 T3 IAW AMM 25-52-01-201-801 A-TAG A03993; [03] VERIFIED STEPS 1 AND 2; [04] VERIFIED ITEMS 1 THROUGH 3; [05] FABRICATED FWD CARGO FLOOR PANEL 120 AF IAW AMM 25-52-01-201-801 PARA F LINER REPLACEMENT; [06] VERIFIED STEP 5; [07] VERIFIED ITEM 5 AND 6<BR>OK TO TREAT AND PRIME; [08] BEGAN TREAT AND PRIME ON PANEL 120AF IAW AMM 51-21-41-370-802 SURFACE IS PREPPED READY FOR WIPE DOWN; ALODINE AND PRIME; [09] VERIFIED STEP 8; [10] VERIFIED ITEMS 8 AND 9; [11] APPLIED ALODINE TO BOTTOM SIDE OF PANEL IAW AMM 51-21-41-370-802<BR>APPLIED PRIMER TO BOTTOM SIDE OF PANEL IAW AMM 51-21-72-370-804<BR>APPLIED ALODINE TO TOP SIDE OF PANEL IAW AMM 51-21-41-370-801; [12] VERIFIED STEP 11; [13] VERIFIED ITEMS 11 AND 12<BR>AUDIT C/W

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