Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
February 16, 2022
Submitted
March 16, 2022
Operation
Air carrier
Aircraft
N8679A
Make and model
Boeing 7378H4
Aircraft serial
36932
Aircraft time
20,424 hours, 9,421 cycles
Part
Floor Panel
Part number
140EF
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

(DOT 67-20) AFT CARGO COMPARTMENT FLOOR PANEL 140EF HAS AREAS OF CORROSION ALONG TOP EDGES. / [01] EVALUATED CORRASION DAMAGE FOUND TO BE OUT OF LIMITS IAW <BR>SRM 53-00-53-1A-1 5.A.(1)(B) FIG 102;[02] VERIFIED STEP COMPLETE;[03] VERIFIED MATERIAL IAW<BR>AMM 25-52-01-201-801 1.C.<BR> A-TAG#A115236;[04] VERIFIED STEP 2 IS COMPLETE;[05] VERIFIECATION SHOULD BE FOR STEP 3;[06] VERIFIED ITEMS 1 THROUGH 5;[07] FABRICATED. PANEL 140EF IAW <BR>AMM 25-52-01-201-801 AND <BR>SRM 53-00-53-1A-1 5.A.(1)(B) FIG 102;[08] VERIFIED STEP 7.;[09] OK TO TREAT AND PRIME;[10] ALODINED FLOOR PNL I.A.W MM 51-21-41-370-801;[11] APPLIED PRIMER IAW AMM 51-21-72-370-804.;[12] EVALUATED CORROSION; DAMAGE EXCEEDS 20' OUT OF LIMITS. FABRICATED NEW AFT CARGO COMPARTMENT FLOOR PANEL 140EF - SEE ABOVE FOR COMPLETED WORK.;[13] VERIFIED STEPS 10; 11; AND 12<BR>AUDIT C/W

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