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
140BF
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 67-17) AFT CARGO COMPARTMENT FLOOR PANEL 140BF IS CORRODED ALONG EDGES. / [01] EVALUATED DAMAGE: FOUND TO BE OUT LIMITS DUE CORROSION ACCUMULATED IS MORE THAN 20' . IAW SRM 53-00-53-1A-1 FIG 102.;[02] IDENTIFIED MATERIAL FOR FLOOR PNL. 140 BF FAB. AS: 2024-T3-071; ATAG# A106988. IAW AMM 25-52-01-201-801. STEP 1C.;[03] VERIFIED STEPS 1 & 2;[04] FABRICATED NEW PNL IAW AMM 25-52-01-201-801 STEP 1 E; F;[05] VERIFIED STEP 4;[06] OK GIVEN TO RESTORE PROTECTIVE FINISHES;[07] ALODINED AND PRIMED LWR SURFACE OF PNL. AND CLEAR ALODINE ON UPPER SURFACE; IAW AMM 51-21-41-701 AMM 51-21-72-370-804.;[08] FINISHED FAB.;[09] VERIFIED STEPS 7 AND 8;[10] AUDIT C/W

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