# SDR SWAA2023051724732

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2023
- Submitted: May 17, 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: Broken
- 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/SWAA2023051724732

## Discrepancy

AFT PANEL 242XF LOWER SKIN IS BROKEN. (MARKED)<[01] IDENTIFIED FLOOR PANEL 242XF MATERIAL IAW SRM 53-00-50-0I-1 FIG 6; TABLE 6 AND BOING DWG 147A5810-11.<BR><BR>FOUND DAMAGE AT 2EA LOCATIONS ON LOWER SURFACE; BOTH AREAS ARE OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 53-00-50-1A-1 PARA 4F. <BR><BR>REPAIRS TO BE ACCOMPLISHED PER SRM 53-00-50-2R-1.<BR><BR>REMOVED DAMAGE AT BOTH LOCATIONS AND CLEANED AREAS; OK TO POT EXPOSED CORE IAW SRM 53-00-50-2R-1 PARA 3C-F;[02] VALIDATED APPLICABILITY OF SRM 53-00-50-2R-1; APPLIED POTTING BMS5-28 TYPE 19 LOT#AK2LP8414K TO EXPOSED CORE AND CURED USING HEAT LAMP AND THERMOMETER ATS2208 CAL DUE DATE 10/2023 IAW SRM 53-00-50-2R-1 PARA 3G-H.;[05] SANDED POTTING SMOOTH WITH SURFACE; CLEANED REPAIR AREA AND FABRICATED REPAIR PLIES FROM BMS 9-3 TY H2 LOT#1522395-2 IAW SRM 53-00-50-2R-1.PARA 3. I.- K. (1) (A). INSTALLED REPAIR PLIES USING BMS8-201 LOT#1522301-1; VACUUM BAGGED; CHECKED FOR LEAKS; LEAK CHECKED GOOD USING VACUUM GAUGE ATS2441 CAL DUE DATE 08/2023 AND SET FOR CURE USING HEAT LAMP AND THERMOMETER ATS2208 CAL DUE DATE 10/2023. IAW SRM 53-00-50-2R-1 PARA 3K(1)-L(1)-M(1).;[08] INSPECTED AND VERIFIED CORRECTIVE ACTION 7.;[09] VERIFIED CURE WAS COMPLETE AND REMOVED PANEL FROM VACUUM BAG IAW SRM 53-00-50-2R-1 PARA 3. M. (1) TRIMMED EXCESS MATERIAL IAW SRM 53-00-50-2R-1 PARA 3.M(1).;[12] FINAL INSPECTION. JOB COMPLETE.

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