Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
January 30, 2022
Submitted
March 1, 2022
Operation
Air carrier
Aircraft
N8678E
Make and model
Boeing 7378H4
Aircraft serial
36735
Aircraft time
20,630 hours, 9,513 cycles
Part
Floor Panel
Part number
140DF
Condition
Corroded
Location
Aft Cargo Bay
Stage of operation
UK
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 67-18) AFT CARGO COMPARTMENT FLOOR PANEL 140DF IS CORRODED ALONG EDGES. / [01] EVALUATED PANEL 140DF AND FOUND CORROSION GREATER THAN 20' OUT OF LIMITS IAW SRM 53-00-53-1A-1;[02] VERIFIED MATERIAL AS .071' 2024 T3 CLAD IAW AMM 25-52-01-201-801 A-TAG #A106988;[03] ADDED DAMAGE PARAMETERS;[04] STEP 3 SHOULD READ;[05] VERIFIED ITEM 1; 2; 3; AND 4;[06] VERIFIED ITEMS 1 THROUGH 5;[07] FABRICATED AFT CARGO FLOOR PANEL 140DF IAW AMM 25-52-01-201-801;[08] VERIFIED ITEM 7;[09] VERIFIED STEPS 7 AND 8;[10] OK GIVEN TO RESTORE PROTECTIVE FINISHES;[11] ALODINED BOTTOM SIDE IAW AMM 51-21-41-370-802<BR>PRIMED BOTTOM DIDE IAW AMM 51-21-72-370-804<BR>ALODINED TOPSIDE IAW AMM 51-21-41-370-801;[12] VERIFIED ITEM 11;[13] VERIFIED STEP 11 AND AUDITED

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