Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
December 6, 2021
Submitted
December 22, 2021
Operation
Air carrier
Aircraft
N8673F
Make and model
Boeing 7378H4
Aircraft serial
36937
Aircraft time
20,472 hours, 9,411 cycles
Part
Floor Panel
Condition
Corroded
Location
Fuselage
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 05-186 FWD PIT FLOOR PANEL 120AF CORRODED ; / [01] EVALUATED FLOOR PANEL 120 AF AND FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-1 FIG 102 GREATER THAN 20'; [02] VERIFIED MATERIAL AS .071 2024 T3 IAW AMM 25-52-01-201-801 A-TAG A03993; [03] VERIFIED STEPS 1 AND 2; [04] VERIFIED ITEMS 1 THROUGH 3; [05] FABRICATED FWD CARGO FLOOR PANEL 120 AF IAW AMM 25-52-01-201-801 PARA F LINER REPLACEMENT; [06] VERIFIED STEP 5; [07] VERIFIED ITEM 5 AND 6<BR>OK TO TREAT AND PRIME; [08] BEGAN TREAT AND PRIME ON PANEL 120AF IAW AMM 51-21-41-370-802 SURFACE IS PREPPED READY FOR WIPE DOWN; ALODINE AND PRIME; [09] VERIFIED STEP 8; [10] VERIFIED ITEMS 8 AND 9; [11] APPLIED ALODINE TO BOTTOM SIDE OF PANEL IAW AMM 51-21-41-370-802<BR>APPLIED PRIMER TO BOTTOM SIDE OF PANEL IAW AMM 51-21-72-370-804<BR>APPLIED ALODINE TO TOP SIDE OF PANEL IAW AMM 51-21-41-370-801; [12] VERIFIED STEP 11; [13] VERIFIED ITEMS 11 AND 12<BR>AUDIT C/W

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