# SDR SWAA2023051824742

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2023
- Submitted: May 18, 2023
- Operation: Air carrier
- Aircraft: [N958WN](https://openairdocs.org/aircraft/N958WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36673
- Aircraft time: 38,993 hours, 23,664 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/SWAA2023051824742

## Discrepancy

FWD PANEL 222DF UPPER FACESHEET HAS MULTIPLE AREAS OF PULLED STRANDS.<OUT OF ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1 PARA 4.F.<BR><BR>WILL PERFORM REPAIRS IAW SRM 53-00-50-2R-1<BR><BR>REMOVED 41EA INSERTS TO FACILITATE REPAIR. REMOVED DAMAGED PLIES; CLEANED AND PREPARED PANEL IAW SRM 53-00-50-2R-1 PARA 3.A-C; J.;[02] VALIDATED APPLICABILITY OF SRM 53-00-50-2R-1.;[03] INSPECTED AND VERIFIED CORRECTIVE ACTIONS 1 AND 2.<BR><BR>VERIFIED MEASUREMENTS TABLE.;[04] FABRICATED REPAIR PLIES USING BMS 9-3 TYH2 CL7 STYLE 1581 LOT# 1522395-2 IAW SRM 53-00-50-2R-1 PARA 3.K(1).<BR><BR>OKAY TO INSTALL.;[05] VERIFIED CORRECTIVE ACTION 4;[06] OK TO INSTALL REPAIR PLIES;[07] INSTALLED REPAIR PLIES USING BMS 8-201 TY3 LOT: 1522301-1<BR>ASSEMBLED VACUUM BAG AND PERFORMED 5X5 TEST USING VACUUM GAUGE ATS2798. PASSED. IAW SRM 53-00-50-2R-1 PARA 3.K-L.;[08] CORRECTION TO ACTION 7: USED VACUUM GAUGE ATS2798 DUE: 10/2023;[09] INSPECTED AND VERIFIED CORRECTIVE ACTIONS 7 AND 8.;[10] CURED REPAIR USING THERMOMETER ID: ATS2209 CAL DUE: 10/2023. UNBAGGED; TRIMMED AND SANDED IAW SRM 53-00-50-2R-1 PARA 3.M.;[11] VERIFIED CORRECTIVE ACTION 10;[12] DRILLED HOLES FOR INSERTS IAW SRM 53-00-50-2R-1 PARAGRAPH 3. N. AND BOEING DWG 144A5810 SHEET 749.;[13] INSTALLED 41EA INSERTS USING BMS 5-107 LOT: AK2KP8383K-1<BR>CURED USING THERMOMETER ATS2209 DUE: 10/2023 IAW SRM 53-00-50-2R-1 PARA 3.N. ALONG WITH DWG 141A5810 SHEET 749.;[14] VERIFIED CORRECTIVE ACTION #12; 13<BR>VERIFIED CURE TAPE

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