Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
February 6, 2023
Submitted
March 10, 2023
Operation
Air carrier
Aircraft
N8524Z
Make and model
Boeing 7378H4
Aircraft serial
36970
Aircraft time
20,203 hours, 9,817 cycles
Part
Floor Panel
Condition
Corroded
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 241ABF HAS CORRODED INSERTS AND SURFACE PLYS PEELING.<[01] IDENTIFIED 241ABF PANEL IAW SRM 53-00-50-OI-1 PARA FIGURE 6; TABLE 6.<BR><BR>FOUND DAMAGE TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1<BR><BR>WILL PERFORM WORK IAW SRM 53-00-50-2R-7<BR><BR>REMOVED 24EA INSERTS TO FACILITATE REPAIRS. <BR>REMOVED DAMAGED PLIES. CLEANED AND PREPARED PANEL SURFACE FOR REPAIRS. IAW SRM 53-00-50-2R-7 PARA 3.A-E;[04] FABRICATED REPAIR PLIES USING BMS 9-3 TY.H2 CL7 STYLE 1581 LOT: 1495277-1 IAW SRM 53-00-50-2R-7 PARA 3.F;[09] INSTALLED REPAIR PLIES USING BMS8-201 TYPE 3 LOT#AK2EP8210K; VACUUM BAGGED; LEAK CHECKED GOOD USING VACUUM GAUGE ID:ATS2107 CAL DUE:04/2023 IAW SRM 53-00-50-2R-7 PARA 3.F-G.;[13] DAMAGE WAS REPAIRED IAW SRM 53-00-50-2R-7. <BR><BR>JOB COMPLETE.

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