# SDR SWAA2024011637442

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2024
- Submitted: January 16, 2024
- Operation: Air carrier
- Aircraft: [N455WN](https://openairdocs.org/aircraft/N455WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32462
- Aircraft time: 64,648 hours, 38,599 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floor Panel
- Part number: UNKNOWN
- Condition: Delaminated
- Location: Zn 200 Fus Top
- 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/SWAA2024011637442

## Discrepancy

PASSENGER CABIN FLOOR PANEL 231XF HAS DELAMINATION.<[01] PARTIAL STEP 1;[02] REMOVED PASSENGER CABIN FLOOR PANEL 231XF PER AMM 53-21-00-000-801.<BR><BR>IDENTIFIED FLOOR PANEL MATERIAL IAW SRM 53-00-50-0I-1 SHEET 1; FIGURE 4; TABLE 4.<BR><BR>UPON INVESTIGATION FOUND DAMAGE TO BE BEYOND ALLOWED DAMAGE LIMITS IAW SRM 53-00-50-1A-1 PAR. 4. F.<BR><BR>WILL FABRICATE NEW FLOOR PANEL AS DIRECTED IAW SRM 53-00-50-2R-0 PAR. 1. A. NOTE:<BR><BR>FABRICATED NEW FLOOR PANEL USING REPLACEMENT MATERIAL BMS4-17 TY 6 LOT # 1534398-1; SANDED EDGES AND LOCATED ALL (42EA) THROUGH INSERT LOCATIONS IAW SRM 53-00-50-2R-0 PAR. 4. A. (1) TABLE 204.; PAR. 5. S. (1) (A) - (D). AND BOEING DWG: 144A5810 ID: 0007. NEEDS INSERTS. INSTALLED INSERTS USING BMS5-107 LOT#AK3BA2380A/A; CURED INSERTS USING HEAT LAMP AND THERMOMETER ATS2209 CAL DUE DATE 10/2024 THEN PART MARKED PANEL IAW SRM 51-70-05-2R-0 PARA 5S AND BOEING DWG 144A5810 ID:0007.<BR><BR>INSTALLED PASSENGER CABIN FLOOR PANEL 231XF PER AMM 53-21-00-400-801.<BR>EQUIPMENT USED: ATS2314 DUE DATE: 09/2024.;[03] VERIFIED CORRECTIVE ACTION ENTRY 2. COMPLETED WITH STEPS; VERIFIED MEASUREMENT TABLE.

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