Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
January 15, 2022
Submitted
February 14, 2022
Operation
Air carrier
Aircraft
N8677A
Make and model
Boeing 7378H4
Aircraft serial
36650
Aircraft time
20,607 hours, 9,368 cycles
Part
Floor Panel
Condition
Corroded
Location
Aft Cargo
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 A-24-004 AFT PIT FLOOR PANEL 140CF IS CORRODED ON UPPER SURFACE ALONG OUTBOARD EDGES. ; / [01] MEASURED TOTAL ACCUMULATED LENGTH OF CORROSION DAMAGE TO BE = 37' LIMIT = 20'. FLOOR PANEL 140CF IS OUT OF LIMITS IAW SRM 53-00-53-1A-1 FIG 102.; [02] VERIFIED NEW FLOOR PANEL MATERIAL TO BE MPN: 2024-T3-071 ATAG: A106991 IAW AMM 25-52-01-201-801 TABLE C1; [03] VERIFIED STEPS 1 AND 2 C/W; [04] FABRICATED NEW FLOOR PANEL 140CF IAW AMM 25-52-01-201-801; [05] VERIFIED STEP 4.<BR>OK TO TREAT AND PRIME; [06] TREATED AND PRIMED NEW FLOOR PANEL 140CF IAW AMM 51-21-41-370-803 AND AMM 51-21-72-370-804; [07] MEASURED TOTAL ACCUMULATED LENGTH OF CORROSION DAMAGE TO BE = 37' LIMIT = 20'. FLOOR PANEL 140CF IS OUT OF LIMITS IAW SRM 53-00-53-1A-1 FIG 102. FABRICATED NEW FLOOR PANEL 140CF IAW AMM 25-52-01-201-801.; [08] VERIFIED STEP 6 AND 7<BR>AUDIT CW

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