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
120BF
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 BF HAS CORROSION ALONG EDGE A225-004 / [01] EVALUATED CORROSION EXCEED MORE 20 INCH MAXIMUM ALLOWED FOUND OUT OF LIMITS IAW SRM 53-00-53-1A-1 FIG 102;[02] VERIFIED STEP 1;[03] VERIFIED STEPS 1 AND 2;[04] VERIFIED. MATERIAL ID FOR FLOOR PANEL IS 2024 T3 .071 TAG #A122578 IAW AMM 25-52-01-201-801;[05] VERIFIED STEP 4;[06] FABRICATED 120BF FLOOR PANEL IAW AMM 25-52-01-201-801;[07] VERIFIED ITEM 6; OK TO TREAT AND PRIME;[08] APPLIED ALODINE AND PRIMER ON FLOOR PANEL IAW SRM 51-21-01-0G-0 AND AMM 51-21-72-370-804;[09] JOB COMPLETE; AUDIT C/W

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