# SDR SWAA2023031302759

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2023
- Submitted: March 13, 2023
- Operation: Air carrier
- Aircraft: [N289CT](https://openairdocs.org/aircraft/N289CT), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36633
- Aircraft time: 50,940 hours, 30,659 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floor Panel
- Condition: Delaminated
- 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/SWAA2023031302759

## Discrepancy

AFT CABIN FLOOR PANEL 242UF HAS A DELAMINATION ON THE LOWER SKIN AFT EDGE AT GIRT BAR ATTACH POINT<[01] IDENTIFIED PANEL 242UF MATERIAL IAW SRM 53-00-50-0I-1 FIG 6; TABLE 6.<BR><BR>FOUND DAMAGE TO BE BEYOND ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1 PARA 4. F. <BR><BR>REPAIR TO BE ACCOMPLISHED IAW SRM 53-00-50-2R-1. <BR><BR>CLEANED PANEL IAW SRM 53-00-50-2R-0 PARA 5. A. (1). <BR><BR>REMOVED DAMAGED PLIES ON LOWER SKIN AFT EDGE AT GIRT BAR ATTACH POINT WITH NO MOISTURE; CONTAMINATION OR DAMAGED CORE NOTED. <BR><BR>INSERTS NEAR REPAIR WERE REMOVED ON TTG8Q00HST79.<BR><BR>ALL IAW SRM 53-00-50-2R-1 PARA 3. A. - F. <BR><BR>O.K. TO POT.;[02] VALIDATED REPAIR PER SRM 53-00-50-2R-1;[03] VERIFIED ITEMS 1;2 CORRECTIVE ACTIONS. <BR>OK TO POT.;[04] APPLIED POTTING BMS5-28 TYPE 19 LOT#AK2JP8366K AND CURED USING HEAT LAMP AND THERMOMETER ATS2208 CAL DUE DATE 10/2023; SANDED POTTING SMOOTH; CLEANED REPAIR AREA AND FABRICATED REPAIR PLIES FROM BMS9-3H2ST1581 LOT#1495277-1; OK TO INSTALL IAW SRM 53-00-50-2R-1 PARA 3G-K(1);[05] INSPECTED AND VERIFIED CORRECTIVE ACTION 4. OKAY TO INSTALL REPAIR PLIES.<BR><BR>VERIFIED MEASUREMENTS TABLE.;[06] INSTALLED REPAIR PLIES USING BMS8-201 LOT#AK2EP8210K; VACUUM BAGGED; CHECKED FOR LEAKS; LEAK CHECKED GOOD USING VACUUM GAUGE ATS2107 CAL DUE DATE 04/2023 IAW SRM 53-00-50-2R-1 PARA 3K(1)-L(1)

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