Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
December 16, 2021
Submitted
January 14, 2022
Operation
Air carrier
Aircraft
N8675A
Make and model
Boeing 7378H4
Aircraft serial
35976
Aircraft time
20,667 hours, 9,472 cycles
Part
Floor Panel
Condition
Corroded
Location
Fuselage
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

A091-007 AFT CARGO COMPARTMENT FLOOR PN# 140AF CORRODED ALONG EDGES ON UPPER AND LOWER SURFACES ; / [01] EVALUATED CORROSION FOUND TO BE OUT OF LIMITS. EXCEEDS 20' IN LENGTH. IAW B737 SRM 53-00-53-1A-1; [02] VERIFIED NEW MATERIAL FOR PANEL TO BE 2024-T3 .071 IAW B737 AMM 25-52-01-201-801. A TAG A104331; [03] VERIFIED ITEMS 1 & 2; [04] FABRICATED PANEL 140AF IAW AMM 25-52-01-201-801 SECTION 1.F; [05] STEP 4 C/W; [06] OK TO TREAT AND PRIME; [07] TREATED IAW AMM 51-21-41-370-801 AND PRIMED IAW AMM 51-21-72-370-804; [08] VERIFIED STEP 7; [09] VERIFIED STEP 7

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