Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
February 13, 2023
Submitted
March 13, 2023
Operation
Air carrier
Aircraft
N289CT
Make and model
Boeing 7377H4
Aircraft serial
36633
Aircraft time
50,940 hours, 30,659 cycles
Part
Floor Panel
Condition
Delaminated
Location
Zn 100 Fus Lower
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FWD CABIN FLOOR PANEL 222BF HAS A DELAMINATION ON O/B EDGE APPROXIMATELY 4' AFT OF FWD EDGE<[01] IDENTIFIED 222BF PANEL IAW SRM 53-00-50-0I-1 PARA FIGURE 2; TABLE 2.<BR><BR>FOUND DAMAGE TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1 PARA 4.F.<BR><BR>WILL BE PERFORMING WORK IAW SRM 53-00-50-2R-1 <BR><BR>LIGHTLY SANDED DAMAGED SURFACE; CLEANED; AND PREPARED FOR REPAIR IAW SRM 53-00-50-2R-1 PARA 3.A-F.;[08] FILLED EXPOSED CELLS USING BMS 5-28 TY19 LOT: AK2JP8366K<BR>CURED POTTING COMPOUND USING THERMOMETER ATS2209 DUE: 10/2023<BR>LIGHTLY SANDED POTTING COMPOUND SMOOTH. CLEANED AND PREPARED PANEL SURFACE FOR REPAIR PLIES.<BR>FABRICATED REPAIR PLIES USING BMS 9-3 TYH2 LOT: 1513216-1 IAW SRM 53-00-50-2R-1 PARA 3.G-K;[09] OK TO INSTALL REPAIR PLIES.;[10] INSPECTED AND VERIFIED CORRECTIVE ACTIONS 8 AND 9. OKAY TO INSTALL REPAIR PLIES.;[11] INSTALLED REPAIR PLIES USING RESIN BMS 8-201 TY3 LOT: AK2EP8210K<BR>ASSEMBLED VACUUM BAG USING VACUUM GAUGE ATS2441 DUE: 08/2023 IAW SRM 53-00-50-2R-1 PARA 3.K-L.(1).(A)<BR><BR>STILL NEEDS 5X5 TEST.;

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