Service difficulty report · Panel · Boeing 7377H4

Difficulty date
October 7, 2022
Submitted
November 9, 2022
Operation
Air carrier
Aircraft
N201LV
Make and model
Boeing 7377H4
Aircraft serial
29854
Aircraft time
59,586 hours, 35,374 cycles
Part
Panel
Condition
Broken
Location
Zn 200 Fus Top
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

FLOOR PANEL 241ADF HAS BROKEN CORNER ON FWD EDGE / REMOVED DELAMINATED SKIN PLIES; TAP TESTED AREA (NO DISBONDS NOTED); REMOVED SURFACE CONTAMINANTS; PREPARED REPAIR AREA FOR REPLACEMENT CORE/REPAIR PLIES; AND CLEANED REPAIR AREA; ALL ACCORDING TO SRM 53-00-50-2R-6; PARA'S 3.A; AND 3.C THRU 3.E.;[02] VALIDATED APPLICABILITY OF REPAIR TO BE COMPLETED IAW SRM 53-00-50-2R-6.;[03] VERIFIED CORRECTIVE ACTION 1 AND 2<BR><BR>VALIDATED APPLICABILITY OF REPAIR TO BE COMPLETED IAW SRM 53-00-50-2R-6.;[04] FABRICATED CORE PLUG USING BMS 8-124 C4 T5 GR9 LOT#1287137 AND UPPER SURFACE REPAIR PLIES USING BMS 9-3H2 LOT#1502472-1 IAW SRM 53-00-50-2R-6 PARA 3F; G.(1)INSTALLED UPPER SURFACE REPAIR PLIES USING BMS 8-201TY3 LOT#AK2EP8210K AND CORE PLUG USING BMS 5-28TY19 LOT#AK2DP3091K; VACUUM BAGGED; LEAK CHECK GOOD WITH VACUUM GAUGE ID:ATS2796 CAL DUE 10/2023 IAW SRM 53-00-50-2R-6 PARA 3F-H.CURED UPPER PLIES AND CORED WITH THERMOMETER ID:ATS2208 CAL DUE 10/2022; UNBAGGED; SANDED CORE PLUG CONTOUR TO PANEL; CLEANED REPAIR AREA AND FABRICATED LOWER SURFACE REPAIR PLIES USING BMS 9-3H2 LOT#1502472-1 IAW SRM 53-00-50-2R-6 PARA 3I-K. OK TO INSTALL.;[09] VERIFIED CORRECTIVE ACTION ITEM 8. OK TO INSTALL REPAIR PLIES.;[10] INSTALLED PLIES WITH BMS8-201 LOT NUMBER AK2EP8210K; VACUUM BAGGED AND VERIFIED SATISFACTORY 5X5 USING VACUUM GAUGE ID: ATS2797 DUE: 10/2023; WORK PERFORMED IAW SRM 53-00-50-2R-6 PARAGRAPH 3.G.(1).(B-C) AND H.(1);REPAIR COMPLETED

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