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
140EF
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 67-15) AFT CARGO COMPARTMENT FLOOR PANEL 140EF IS CORRODED ALONG EDGES. / [01] VERIFIED ALLOWABLE DAMAGE ON FLOOR PNL #140 EF . FOUND OUT OF LIMITS DUE CORROSION IS MORE THAN 20 ' THE TOTAL ACCUMULATED DAMAGE LENGTH. IAW SRM 53-00-53-1A-1 FIG 102;[02] IDENTIFIED MATERIAL FOR FLOOR PNL FAB. AS: 2024-T3-071 ATAG# A108479. IAW AMM 25-52-01-201-801.;[03] VERIFIED STEPS;[04] FABRICATED NEW FLOOR PNL# 140 EF IAW AMM 25-52-01-201-801.;[05] VERIFIED STEP 4;[06] OK TO TREAT AND PRIME;[07] APPLIED ALODINE AND PRIMER ON NEW FLOOR PNL #140 EF IAW AMM 51-21-72-370-804; AMM 51-21-41-370-801.;[08] VERIFIED STEP 7<BR>C/W

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