# SDR SWAA2023050827784

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2023
- Submitted: May 8, 2023
- 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: 66,624 hours, 41,198 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floor Panel
- Condition: Pulled
- 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/SWAA2023050827784

## Discrepancy

FLOOR PANEL 232SF UPPER SKIN HAS AREAS OF PULLED STRANDS.<[01] IDENTIFIED FLOOR PANEL 232SF IAW SRM 53-00-50-0I-1 FIGURE 4 TABLE 4. FLOOR PANEL IS DAMAGED BEYOND ECONOMICAL REPAIR; AND EXCEEDS ALLOWABLE DAMAGE LIMITS IAW SRM 53-00-50-1A-1 PARAGRAPH 4.F. FLOOR PANEL REQUIRES REPLACEMENT IAW SRM 53-00-50-2R-0 PARAGRAPH 1.A NOTE.<BR><BR>ROUGH CUT FLOOR PANEL 232SF USING BMS4-17 TY6 LOT# 1522265-1 AND LOCATED HOLES IAW SRM 53-00-50-2R-0 PARAGRAPH 4.A TABLE 204; AND BAC DWG 144A5810 ID:0014.;[02] COUNTERBORED HOLES AND INSTALLED INSERTS USING BMS5-107 LOT#AK2KP8383K-1 AND CURED USING THERMOMETER ID: ATS2209 CAL DUE: 10/2023 AND PART MARKED FLOOR PANEL AS REQUIRED IAW SRM 53-00-50-2R-0 PARAGRAPH 3.S(1); AND DWG 144A5810 ID:0014.;[03] VERIFIED CORRECTIVE ACTIONS 1 AND 2<BR><BR>VERIFIED MEASUREMENTS TABLE;[04] UPLOADED CURE SHEET: JOB COMPLETE;[05] VERIFIED CORRECTIVE ACTION 4

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