# SDR SWAA2023092699520

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 12, 2023
- Submitted: September 26, 2023
- Operation: Air carrier
- Aircraft: [N250WN](https://openairdocs.org/aircraft/N250WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34972
- Aircraft time: 56,923 hours, 34,364 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/SWAA2023092699520

## Discrepancy

DOT A24-3 MID CABIN FLOOR PANEL 231XF HAS MULTIPLE PULLED COMPOSITE FIBERS ON UPPER SURFACE.<[01] BONDTEST IAW B737 NDT PART 4; 51-00-05. NO DEFECTS NOTED. TOOL#40082; DUE 10OCT23<BR>UT IAW B737 NDT 4; 51-00-03. NO DEFECTS NOTED. TOOL#36285; DUE 16DEC23. REF EA 23-153-02790-WIP1 STEP 2;[02] EVALUATED PANEL 231XF AND FOUND AREA OF PULLED FIBERS ON UPPER SURFACE. FOUND TO BE REPAIRABLE. IAW B737-700 SRM 53-00-50-2R-1 PAR 1A. CLEAN AND PREP. IAW B737-700 SRM 53-00-50-2R-1 PAR 3A; C; E&F. VERIFIED MATERIALS AS: BMS 8-201 (A197641); BMS 9-3 (A178073). IAW B737-700 SRM 53-00-50-2R-1 TABLE 201. NEED OK TO BOND.;[03] VERIFIED STEPS 1 AND 2 C/W AND OK TO BOND GRANTED;[04] BONDED REPAIR. IAW B737-700 SRM 53-00-50-2R-1 PAR 3 K-M.;[05] REPAIRED UPPER SURFACE ON PANEL 231XF. IAW B737-700 SRM 53-00-50-2R-1; SRM 53-00-50-2R-0.;[06] REFER TO FAULT TTG8Q00NDBZJ WHERE EA 23-153-02790 WAS ADDED AS A SUBTASK.;[07] VERIFIED STEPS 4-6.<BR>AUDIT C/W.

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