Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
April 28, 2022
Submitted
May 12, 2022
Operation
Air carrier
Aircraft
N8685B
Make and model
Boeing 7378H4
Aircraft serial
36723
Aircraft time
20,280 hours, 9,431 cycles
Part
Floor Panel
Part number
120AF
Condition
Corroded
Location
Fwd 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

FWD CARGO FLOOR PANEL 120 AF HAS CORROSION ALONG EDGE A225-003 / [01] BLENDED DAMAGE ON FWD CARGO FLOOR PANEL 120AF; DAMAGE EXCEEDS MAXIMUM ALLOWABLE DAMAGE OF 20 INCHES. FOUND TO BE OUT OF LIMITS I/A/W B737-800 SRM 53-00-53-1A-1;[02] VERIFIED MATERIAL TO BE USED TO FABRICATE FLOOR PANEL 120AF TO BE 2024-T3 .071' I/A/W B737-800 AMM 25-52-01-201-801<BR><BR>A-TAG#122577;[03] VERIFIED ITEM 1 AND 2;[04] BEGAN FABRICATING; LOCATING AND DRILLING NEW FLOOR BOARD PANEL 120AF I/A/W B737-800 AMM 25-52-01-201-801 SECTION 1.F.;[05] VERIFIED STEP 4 BEGAN FABRICATING;[06] COMPLETED FABRICATION; LOCATED AND DRILLED NEW FLOOR BOARD PANEL 120AF I/A/W B737-800 AMM 25-52-01-201-801 SECTION 1.F.;[07] VERIFIED STEP 6;;[08] OK GIVEN TO TREAT AND PRIME;[09] TREATED AND PRIMED PANEL 120AF I/A/W B737-800 AMM 51-21-41-370-802 AND 51-21-72-370-804.;[10] VERIFIED ITEM 9

More about the Boeing 737-8H4