Service difficulty report · Floor Panel · Boeing 7377Q8

Difficulty date
May 18, 2022
Submitted
June 16, 2022
Operation
Air carrier
Aircraft
N7876A
Make and model
Boeing 7377Q8
Aircraft serial
29355
Aircraft time
50,771 hours, 27,451 cycles
Part
Floor Panel
Part number
141A5810160
Condition
Pulled
Location
Cabin Floor
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 PASSENEGER CABIN FLOOR PANEL P/N 141A5810-160 UPPER SKIN HAS AREAS OF PULLED STRANDS. / [01] IDENTIFIED PANEL IAW SRM 53-00-50-0I-1; TABLE 2; FIGURE 2. DAMAGE IS BEYOND ALLOWABLE IAW SRM 53-00-50-1A-1 PARAGRAPH 4.E.(2).(B) AND WILL BE REPAIRED IAW SRM 53-00-50-2R-1. REMOVED 20 EA. INSERTS AND REMOVED DAMAGED UPPER SURFACE PLIES FROM THE ENTIRE UPPER SURFACE AND CLEANED AREAS WITH NO DISBOND OR CONTAMINATION NOTED; WORK PERFORMED IAW SRM 53-00-50-2R-4 PARAGRAPH 3.A-F.;[02] WORK WAS PERFORMED IAW SRM 53-00-50-2R-1 PARAGRAPH 3.A-F.;[03] VALIDATED APPLICABILITY OF SRM 53-00-50-2R-1.FABRICATED REPAIR PLIES FROM BMS9-3 STYLE 7781 TYPE H-3 LOT NUMBER 1491986 IAW SRM 53-00-50-2R-1 PARAGRAPH 3.K.(1).(A). OK TO INSTALL REPAIR PLIES.;[06] VERIFIED CORRECTIVE ACTION 5<BR><BR>OK TO INSTALL REPAIR PLIES;[07] INSTALLED REPAIR PLIES USING RESIN BMS 8-201 TY 3 LOT#AK1JP9149K.<BR>VACUUM BAGGED; CHECKED FOR LEAKS USING VACUUM GAUGE ID : ATS2583 DUE DATE : 02/2023.<BR>LEAK CHECK GOOD IAW SRM 53-00-50-2R-1.PARA 3.K.(1); L.(1).;SET PLIES TO CURE AND CURED PLIES UNDER HEAT LAMP USING THERMOMETER ID: ATS2209 DUE: 10/2022; UNBAGGED AND INSTALLED ALL REMOVED INSERTS USING BMS5-107 RESIN LOT NUMBER AK0KP9324K; CURED RESIN UNDER HEAT LAMP USING THERMOMETER ID: ATS2209 DUE: 10/2022; WORK PERFORMED IAW DRAWING 141A5810 SHEET 160 SRM 53-00-50-2R-1 PARAGRAPH 3.L.(1)-M.(1) AND N.;[10] FINAL INSPECTION. JOB COMPLETE PER SRM 53-00-50-2R-1 AND DWG 141A5810.

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