Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
April 22, 2023
Submitted
May 25, 2023
Operation
Air carrier
Aircraft
N959WN
Make and model
Boeing 7377H4
Aircraft serial
36674
Aircraft time
38,285 hours, 23,370 cycles
Part
Floor Panel
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

AFT FLOOR PANEL 242UF HAS MULTIPLE AREAS OF PULLED STRANDS<[01] IDENTIFIED PANEL 242UF IAW SRM 53-00-50-0I-1 FIGURE 6 TABLE 6<BR><BR>DAMAGE EXCEEDS ALLOWABLE DAMAGE LIMITS IAW SRM 53-00-50-1A-1 PARA 4 B<BR><BR>DAMAGE TO BE REPAIRED IAW SRM 53-00-50-2R-1<BR><BR>REMOVED DAMAGE IN MULTIPLE AREAS ON THE UPPER SURFACE WITH THE LARGEST MEASURING 36.5'X35'; CLEANED; WITH NO CONTAMINATION NOTED IAW SRM 53-00-50-2R-1 PARA 3 A-F;[02] VALIDATED APPLICABILITY OF REPAIR TO BE COMPLETED IAW SRM 53-00-50-2R-1.OK TO POT OPEN CORE CELLS.;[15] AFT FLOOR PANEL 242UF WITH AREAS OF PULLED STRANDS ON UPPER SURFACE WAS REPAIRED IAW SRM 53-00-50-2R-1<BR><BR>CURE SHEETS UPLOADED.;[16] VERIFIED CORRECTIVE ACTION 15;[17] VERIFIED CORRECTIVE ACTION 15

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