Service difficulty report · Floor Panel · Boeing 7378

Difficulty date
June 7, 2023
Submitted
June 27, 2023
Operation
Air carrier
Aircraft
N8705Q
Make and model
Boeing 7378
Aircraft serial
42558
Aircraft time
12,340 hours, 5,351 cycles
Part
Floor Panel
Part number
UNKNOWN
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

DOT 075-31 AFT CARGO FLOOR PANEL 140BF CORROSION AROUND EDGES OF PANEL.<[01] EVALUATED CORROSION ON FLOOR PANEL 140BF; FOUND TO BE GREATER THAN 3' IN LEGTH. MEASURED WITH STEEL RULE. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-1 STEP 5. A. (B) 1);[02] VERIFIED MATERIAL TO FAB NEW PANEL AS 2024T-3 .071' IAW AMM 50-10-04-00-801 STEP 3.A.(2) AND DWG 453A2610-58 REV D ATAG A129386;[03] VERIFIED STEPS 1 & 2;[04] BEGAN FABRICATION OF PANEL 140BF IAW AMM 50-10-04-00-801 STEP 3.A.(2);[05] VERIFIED ITEM 4<BR><BR>OK TO TREAT AND PRIME;[06] COMPLETED FAB OF FLOOR PANEL 140B FIAW AMM 50-10-04-00-801 STEP 3.A.(2);[07] VERIFIED ITEM 6;[08] APPLIED FINISHES TO FLOOR PANEL 140BF IAW AMM50-10-04;[09] VERIFIED STEP 8.<BR>AUDIT COMPLETE.

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