Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
July 21, 2022
Submitted
August 22, 2022
Operation
Air carrier
Aircraft
N490WN
Make and model
Boeing 7377H4
Aircraft serial
32476
Aircraft time
59,880 hours, 35,571 cycles
Part
Floor Panel
Condition
Pulled
Location
Fwd Fuselage
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 222DF HAS PULLED THROUGH INSERTS / [01] IDENTIFIED FWD CABIN FLOOR PANEL 222DF MATERIAL IAW SRM 53-00-50-0I-1 FIGURE 2 TABLE 2. FOUND DAMAGE TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1 PARA 4.F. DAMAGE TO BE REPAIRED IAW SRM 53-00-50-2R-1.<BR>REMOVED 13 EACH INSERTS TO FACILITATE REPAIRS; REMOVED DAMAGED SKINS/CORE ON 2 EACH LOWER SURFACE OUTBOARD EDGE; AND CLEANED REPAIR AREA IAW SRM 53-00-50-2R-1 PARA 3.A-F.;[05] POTTING COMPOUND CURED SURFACE SANDED & CLEANED IAW SRM 53-00-50-2R-1 PARA 3 STEPS H; I; & J . PER GENERAL REPAIR SECTION 53-00-50-2R-0 ELEVATED TEMPERATURE CURE TABLE 203 PAGE 2 REF CAL TOOL THERMOMETER ID ATS1776 SN 34910031WS CAL DUE 08/2022 .;[06] USING BMS9-3 STYLE 1581 GLASS LOT 149322-1 & BMS8-201 TYPE III RESIN LOT AK2CP8139K FABRICATED & APPLIED REPAIR PLIES IAW SRM 53-00-50-2R-1 PARA 3 . K . (1) STEPS (A)-(C). OK TO LAY UP .;[07] VERIFIED CORRECTIVE ACTIONS 5 AND 6<BR><BR>OK TO LAY UP REPAIR PLIES;[08] LAID UP THE REPAIR VACUUM BAGGED ;LEAK CHECKED & SET TO CURE IAW SRM 53-00-50-2R-1 PARA 3 . L. STEPS (A)-(C).;[09] VERIFIED CORRECTIVE ACTION 8;[10] CURED THE REPAIR PLIES IAW SRM 53-00-50-2R-1 PARA 3 . M. (1) STEPS A & B.;[11] CALIBRATED TOOLS USED CORRECTIVE ACTION 10: THERMOMETER ID ATS1777<BR>SN 3491002WS CAL DUE 08/2022 . VACUUM GAGE ID ATS2438 SN UNK CAL DUE 03/2023.

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