Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
March 17, 2023
Submitted
April 18, 2023
Operation
Air carrier
Aircraft
N281WN
Make and model
Boeing 7377H4
Aircraft serial
36528
Aircraft time
51,516 hours, 31,045 cycles
Part
Floor Panel
Condition
Debonded
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

FWD CAIN FLOOR PANEL 222DF UPPER SKIN PREVIOUS REPAIR IS DISBONDED.<[01] PART/MATERIAL IDENTIFIED PER SRM 53-00-50-0I-1 FIGURE 2 TABLE 2 SECTION 41.<BR>PREVIOUS REPAIR FAILURE EXCEEDS THE ALLOWABLE DAMAGE LIMITS AS GIVEN IN SRM 53-00-50-1A-1 PARA 4. F.<BR>REPAIR TO BE PERFORMED IAW SRM 53-00-50-2R-1;[02] REMOVED 41EA INSERTS TO FACILITATE REPAIRS. <BR>REMOVED DAMAGED FACESHEETS. CLEANED AND PREPARED PANEL SURFACE <BR>FABRICATED REPAIR PLIES USING BMS 9-3 TYH2 LOT: 1520142-1 IAW SRM 53-00-50-2R-1 PARA 3.A-C; J-K.<BR><BR>OK TO INSTALL;[03] VALIDATED APPLICABILITY OF SRM 53-00-50-2R-1.;[04] INSPECTED AND VERIFIED CORRECTIVE ACTIONS 1; 2 AND 3. OKAY TO INSTALL REPAIR PLIES.;[05] INSTALLED REPAIR PLIES WITH RESIN BMS8-201 TY3 LOT#AK2CP8139K. VACUUM BAGGED REPAIR AND LEAK CHECKED GOOD USING VACUUM GAUGE ID: E11543 CAL DUE: 09/2023 IAW SRM 53-00-50-2R-1 PARAGRAPH 3.K(1)L(1).

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