Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
May 25, 2023
Submitted
June 29, 2023
Operation
Air carrier
Aircraft
N960WN
Make and model
Boeing 7377H4
Aircraft serial
36675
Aircraft time
38,108 hours, 23,248 cycles
Part
Floor Panel
Part number
UNKNOWN
Condition
Pulled
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

FLOOR PANEL 241PF UPPER SKIN HAS AREAS OF PULLED STRANDS.<[01] DUE TO THE EXTENT OF ALL OF THE DAMAGE; DECIDED TO FABRICATE A NEW PANEL FROM BMS4-17 TYPE VI LOT 1526676-1; DETERMINED INSERT HOLE LOCATIONS; UPSIZED INSERTS HOLES INSTALLED INSERTS WITH BMS5-107 CLASS 1 LOT AK2KP8383K-1 RESIN; SET RESIN TO CURE AND CURED RESIN UNDER A HEAT LAMP; USING THERMOMETER ID: ATS2192 DUE: 08/2023 TO MONITOR THE TEMPERATURE OF THE CURE; APPLIED LOWER SURFACE TAPE AND PART MARKED PANEL; WORK PERFORMED IAW SRM 53-00-50-2R-0 PARAGRAPH 4.A. AND TABLE 204 AND BOEING DRAWING 143A5810 SHEET 462.;[02] VALIDATED APPLICABILITY OF SRM 53-00-50-2R-0.;[03] VERIFIED CORRECTIVE ACTIONS 1 & 2.;[04] ATTACHED CURE SHEET TO THIS FAULT RECORD.;[05] VERIFIED CORRECTIVE ACTION ITEM 4.

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