# SDR SWAA2023051725321

- 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: 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/SWAA2023051725321

## Discrepancy

AFT PANEL 241ZF UPPER FACESHEET HAS AREAS OF PLLED STRANDS.<OUT OF ALLOWABLE DAMAGE LIMITS IAW <BR>SRM 53-00-50-1A-1 PAR. 4. F.PANEL UPPER FACESHEET IS REPAIRABLE IAW SRM 53-00-50-2R-1 AS <BR>DIRECTED BY SRM 53-00-50-2R-0 PAR. 2. A. TABLE 201.<BR><BR>REMOVED (26EA) INSERTS FROM AREAS (P6 - P11; P17 - P26; P31 - P40)<BR>FOLLOWING DWG: 147A5810 ID: 0098 IAW SRM 53-00-50-2R-0 PAR.<BR>5. S. (1)(A) & 5. S. (1)(B REMOVED DAMAGED PLIES AND CLEANED REPAIR AREA WITH NO CONTAMINATES NOTED IAW SRM 53-00-50-2R-1 PAR. 3. A. - C. & 3. E. & 3. F. VALIDATED REPAIR PER SRM 53-00-50-2R-1PREPARED POTTING COMPOUND USING BMS5-28 TY19 EPOCAST 1619 LOT#<BR>AK2LP8414K AND FILLED OPEN CORE REPAIR AREA IAW SRM 53-00-50-2R-1 PAR. 3. G.;[06] SET POTTING COMPOUND FOR HEATLAMP CURE MONITORED BY<BR>THERMOMETER ID: ATS2209 CAL/DUE: 10/2023; CURED POTTING AND SANDED SMOOTH AND CLEANED IAW SRM<BR>53-00-50-2R-1 PAR. 3. H. - J. FABRICATED REPAIR PLIES FROM BMS9-3H2ST1581 LOT#1522395-2; OK TO INSTALL IAW SRM 53-00-50-2R-1 PARA 3K(1).;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)] INSTALLED ALL THROUGH INSERTS USING BMS5-107 LOT#AK2KP8383K AND CURED USING HEAT LAMP AND THERMOMETER ATS2208 CAL DUE DATE 10/2023 IAW SRM 53-00-50-2R-1 PARA 3N

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