Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
April 27, 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
140DF
Condition
Corroded
Location
Aft 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

AFT CARGO FLOOR BOARD 140 DF CORRODED ALONG EDGE A225-004 / [01] EVALUATED CORROSION DAMAGE; FOUND TO BE OUT OF LIMITS DUE TO TOTAL ACCUMULATED DAMAGE BEING MORE THAN THE 20' MAX ALLOWED IAW SRM 53-00-53-1A-1;[02] MATERIAL VERIFIED FOR NEW PNL FAB; 2024-T3 .071'; IAW AMM 25-52-01-201-801<BR>ATAG A105084;[03] VERIFIED STEPS 1 AND 2;[04] FABRICATED NEW PNL 140DF IAW AMM 25-52-01-201-801;[05] VERIFIED STEP 4;[06] OK GIVEN TO TREAT AND PRIME;[07] TREATED IAW AMM 51-21-41-370-802 AND PRIMED IAW AMM 51-21-72-370-804;[08] VERIFIED STEP 7;[09] JOB COMPLETE; AUDIT C/W

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