# SDR SWAA2023062952131

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 2023
- Submitted: June 29, 2023
- Operation: Air carrier
- Aircraft: [N960WN](https://openairdocs.org/aircraft/N960WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36675
- Aircraft time: 38,108 hours, 23,248 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floor Panel
- Part number: UNKNOWN
- Condition: Pulled
- Location: Zn 100 Fus Lower
- 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/SWAA2023062952131

## Discrepancy

FLOOR PANEL 241RF UPPER SKIN HAS AREAS OF PULLED STRANDS.<[01] IDENTIFIED FLOOR PANEL 241RF MATERIAL IAW SRM 53-00-50-0I-1 FIGURE 5 TABLE 5. MOST OF THE UPPER SURFACE HAS LARGE AREAS OF PULLED STRANDS OR DELAMINATION. AREAS EXCEED ALLOWABLE DAMAGE LIMITS 53-00-50-1A-1 PARAGRAPH 4.F FLOOR PANEL 241RF DAMAGE TO UPPER SURFACE IS BEYOND ECONOMICAL REPAIR AND MAY BE REPLACED IAW 53-00-50-2R-0 PARAGRAPH 1.A NOTE.<BR><BR>ROUGH CUT A NEW FLOOR PANEL USING BMS4-23 TY2 LOT#1525675-1. LOCATED INSERT HOLES AND COUNTERBORED HOLES IAW SRM 53-00-50-2R-0 PARAGRAPH 4.A(2); AND PARAGRAPH 5.S(1)(A-D); AND BAC DWG 146A5810 ID:0466.;[02] INSTALLED INSERTS USING BMS5-107 LOT# AK2KP8383K-1. CURED INSERTS USING THERMOMETER ID: ATS2209 CAL DUE: 10/2023. APPLIED TAPE BMS8-283 LOT# OCN000057073; AND PART MARKED AS REQUIRED IAW SRM 53-00-50-2R-0 PARAGRAPH 5.S(1)(E-H(1); AND BAC DWG 146A5810 ID:0466.;[03] VERIFIED CORRECTIVE ACTIONS 1 AND 2<BR><BR>VERIFIED MEASUREMENTS TABLE;[04] PANEL WAS REPLACED WITH NEW PANEL FABRICATED FROM RAW STOCK IAW SRM 53-00-50-2R-0 AND DRAWING 146A5810.<BR><BR>UPLOADED INSERT CURE SHEET.<BR><BR>JOB COMPLETE.;[05] VERIFIED CORRECTIVE ACTION 4

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