Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
February 20, 2023
Submitted
March 16, 2023
Operation
Air carrier
Aircraft
N8528Q
Make and model
Boeing 7378H4
Aircraft serial
36927
Aircraft time
19,732 hours, 9,567 cycles
Part
Floor Panel
Condition
Delaminated
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

CABIN FLOOR PANEL 241XF HAS SURFACE DELAMINATION.<[01] IDENTIFIED PANEL IAW SRM 53-00-50-0I-1 FIGURE 6 TABLE 6.<BR>FOUND DAMAGE TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1 PARA 4.F.<BR>DAMAGE TO BE REPAIRED IAW SRM 53-00-50-2R-1.<BR><BR>REMOVED 7EA INSERTS AND 6EA BLIND INSERTS TO FACILITATE REPAIR; REMOVED DAMAGE SKIN; AND CLEANED REPAIR AREA IAW SRM 53-00-50-2R-1 PARA 3.A-C;E AND F.;[02] VALIDATED APPLICABILITY OF SRM 53-00-50-2R-1.;[03] RII BUYBACK OF CORRECTIVE ACTIONS 1 AND 2.<BR><BR>VERIFIED MEASUREMENTS TABLE.;[04] FABRICATED REPAIR PLIES FROM BMS9-3 ST1581 LOT#1513216-1 IAW SRM 53-00-50-2R-1 PAR.3 K(1)(A)<BR><BR>OK TO INSTALL;[05] VERIFIED CORRECTIVE ACTION 4<BR><BR>OK TO INSTALL REPAIR PLIES;[06] INSTALLED REPAIR PLIES USING BMS8-201 TY 3 LOT#AK2CP8139K; VACUUM BAGGED; LEAK CHECKED GOOD USING VACUUM GAUGE ID:ATS2107 DUE:04/2023 IAW SRM 53-00-50-2R-1 PAR.3 K(1)(B-C) & L(1)

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