# SDR SWAA2022092344305

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2022
- Submitted: September 23, 2022
- Operation: Air carrier
- Aircraft: [N489WN](https://openairdocs.org/aircraft/N489WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33855
- Aircraft time: 57,460 hours, 34,246 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floor Panel
- Condition: Delaminated
- Location: Fuselage
- 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/SWAA2022092344305

## Discrepancy

FLOOR PANEL 242UF HAS A DELAMINATED PREVIOUS REPAIR ON THE UPPER SURFACE FWD O/B CORNER / [01] IDENTIFIED PANEL 242UF MATERIAL IAW SRM 53-00-50-0I-1 FIGURE 6 TABLE 6<BR><BR>DAMAGE AREA EXCEEDS ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1 PAR.4 F<BR><BR>DAMAGE IS REPAIRABLE IAW SRM 53-00-50-2R-1 <BR><BR>REMOVED DAMAGED UPPER SURFACE PLIES ON PREVIOUS REPAIR LOCATED AT FWD O/B CORNER MEASURING 7'X4'; CLEANED WITH NO CONTAMINATION NOTED IAW SRM 53-00-50-2R-1 PAR.3 A-F;[02] CERTIFIED CORRECTIVE ACTION 1 AND VALIDATED REPAIR PER SRM 53-00-50-2R-1;[03] VERIFIED CORRECTIVE ACTION ITEM 1-2.;[04] FABRICATED REPAIR PLIES FROM BMS9-3 H2 ST1581 LOT#1493221-1 IAW SRM 53-00-50-2R-1 PAR.3 K(1)(A)<BR><BR>OK TO INSTALL;[05] VERIFIED CORRECTIVE ACTION 4<BR><BR>VERIFIED MEASUREMENTS TABLE<BR><BR>OK TO INSTALL REPAIR PLIES.;[06] INSTALLED REPAIR PLIES USING BMS8-201 TYIII LOT#AK2CP8139K; VACUUM BAGGED; LEAK CHECKED GOOD USING VACUUM GAUGE ID:ATS2441 DUE:08/2022 IAW SRM 53-00-50-2R-1 PAR.3 K(1)(B-C); L(1);[07] VERIFIED CORRECTIVE ACTION 6;[08] CURED REPAIR PLIES UNDER HEAT LAMP USING THERMOMETER ID:ATS2208 DUE:10/2022; UNBAGGED; AND TRIMMED EXCESS MATERIAL IAW SRM 53-00-50-2R-1 PAR.3 M(1);[09] VERIFIED CORRECTIVE ACTION 8;[10] VERIFIED CORRECTIVE ACTION 8

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