# SDR SWAA2023041122278

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2023
- Submitted: April 11, 2023
- Operation: Air carrier
- Aircraft: [N247WN](https://openairdocs.org/aircraft/N247WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32508
- Aircraft time: 56,333 hours, 33,823 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floorboard
- 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/SWAA2023041122278

## Discrepancy

DOT A24-9 CENTER CABIN FLOOR BOARD 231ZF HAS PULLED COMPOSITE FIBERS ON UPPER SURFACE.<[01] EVALUATED AND FOUND MISSING PLIES LENGTH OF BOARD ON UPPER SURFACE. NO DAMAGE TO COMPOSITE SUBSTRATE. FOUND TO BE REPAIRABLE IAW SRM 53-00-50-2R-1.<BR><BR>CLEANED AND PREPPED IAW SRM 53-00-50-2R-1 STEP A; C; E-F.<BR><BR>VERIFIED MATERIAL IAW SRM 53-00-50-2R-1 TABLE 201. RESIN (A172538); FIBERGLASS (A162523).<BR><BR>REQUEST OK TO BOND;[02] VERIFIED STEP 1; OKAY TO BOND.;[03] BONDED REPAIR IAW SRM 53-00-50-2R-1 STEP 3 J-M. TAP TEST GOOD.;[04] REPAIRED CENTER CABIN FLOOR BOARD 231ZF ON UPPER SURFACE IAW SRM 53-00-50-2R-1 AND SRM 53-00-50-2R-0 REPAIR GENERAL.;[05] VERIFIED STEPS 3-4

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