Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
April 12, 2022
Submitted
April 27, 2022
Operation
Air carrier
Aircraft
N8684F
Make and model
Boeing 7378H4
Aircraft serial
36653
Aircraft time
20,246 hours, 9,455 cycles
Part
Floor Panel
Part number
120DF
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 METAL FLOOR PANEL 120DF HAS CORROSION AROUND EDGES. DOT 234/01 / [01] EVALUATED DAMAGE TO FWD CARGO FLOOR PANEL 120DF FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-1 PARA 5.A.(B) FIG. 102 SHT 1;[02] VERIFIED STEP 1; OUT OF LIMITS;[03] VERIFIED MATERIAL ID FOR NEW PANEL AS 2024-T3 .071' CLAD ATAG: A118128 IAW B737-800 SRM 53-30-53-0I-1 TABLE 2 ITEM 1;[04] VERIFIED STEP 3;[05] BEGAN FABRICATION OF NEW FLOOR PANEL 120 DF IAW B737-800 AMM 25-52-01-201-801; NOT COMPLETED;[06] COMPLETED LOCATING AND DRILLING PANEL 120DF IAW B737 AMM 25-52-01-201-801; NEEDS TRIMMED AND COUNTERSUNK.;[07] VERIFIED STEP 6;[08] FINISHED FABRICATION OF PNL 120DF IAW AMM 25-52-01-201-801;[09] VERIFIED STEP 8;[10] VERIFIED STEPS 8 & 9;[11] OK GIVEN TO TREAT AND PRIME;[12] TREATED IAW AMM 51-21-41-370-801 AND PRIMED IAW AMM 51-21-72-370-804;[13] VERIFIED JOB IS COMPLETE;[14] VERIFIED 13

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