Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
May 16, 2022
Submitted
June 8, 2022
Operation
Air carrier
Aircraft
N8690A
Make and model
Boeing 7378H4
Aircraft serial
36916
Aircraft time
20,154 hours, 9,318 cycles
Part
Floor Panel
Part number
140DF
Condition
Corroded
Location
Aft Cargo Bay
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 CARGO FLOOR BOARD 140 DF CORRODEDD ALONG EDGE A225-005 / [01] EVALUATED CORROSION ON FLOOR PANEL 140AF FOUND TOTAL ACUMULATED DAMAGE TO EXCEED 20 INCHES IN LENGTH FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-1 FIG 102. MEASURED WITH STEEL RULE;[02] VERIFIED STEP 1;[03] VERIFIED MATERIAL TO FAB NEW PANEL AS 2024-T3 .071' IAW AMM 25-52-01-201-801;[04] VERIFIED STEP 3;[05] BEGAN FABRICATION OF PANEL IAW AMM 25-52-01-201-801;[06] VERIFIED STEP 5;[07] COMPLETED FABRICATION OF PANEL 140DF IAW AMM 25-52-01-201-801;[08] VERIFIED STEP 7;[09] OK TO TREAT AND PRIME;[10] TREATED AND PRIMED PANEL 140AF IAW AMM 51-21-41; AMM 51-21-99;[11] FABRICATED REPLACEMENT PANEL 140DF IAW AMM 25-52-01-201-801;[12] CORRECTING PANEL NUMBER IN ITEM 10 TO 140DF;[13] VERIFIED STEPS 10; 11 & 12<BR>AUDIT CW

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