Service difficulty report · Floor Panel · Boeing 7378H4

Difficulty date
February 16, 2022
Submitted
March 16, 2022
Operation
Air carrier
Aircraft
N8679A
Make and model
Boeing 7378H4
Aircraft serial
36932
Aircraft time
20,424 hours, 9,421 cycles
Part
Floor Panel
Part number
140AF
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

(DOT 67-21) AFT CARGO COMPARTMENT FLOOR PANEL 140AF HAS AREAS OF CORROSION ALONG TOP EDGES. / [01] MEASURED TOTAL ACCUMULATED CORROSION DAMAGE TO BE = 83'. LIMIT = 20'. FLOOR PANEL 140AF IS OUT OF LIMITS IAW SRM 53-00-53-1A-1 FIG 102.;[02] VERIFIED NEW FLOOR PANEL MATERIAL TO BE MPN: 2024-T3-071 ATAG: A108479 IAW AMM 25-52-01-201-801 TABLE 1C;[03] BEGAN FABRICATING NEW FLOOR PANEL 140AF IAW AMM 25-52-01-201-801;[04] VERIFIED STEPS 1 ;2 AND 3 C/W;[05] COMPLETED FABRICATION OF FLOOR PANEL 140AF IAW AMM 25-52-01-201-801;[06] VERIFIED STEP 5 .<BR>OK TO TREAT AND PRIME.;[07] TREATED AND PRIMED NEW FLOOR PANEL 140AF IAW AMM 51-21-41-370-803 AND AMM 51-21-72-370-804;[08] MEASURED TOTAL ACCUMULATED CORROSION DAMAGE TO BE = 83'. LIMIT = 20'. FLOOR PANEL 140AF IS OUT OF LIMITS IAW SRM 53-00-53-1A-1 FIG 102. FABRICATED NEW FLOOR PANEL 140AF IAW AMM 25-52-01-201-801.;[09] VERIFIED STEPS 7 AND 8.<BR>AUDIT C/W.

More about the Boeing 737-8H4