Service difficulty report · Angle · Boeing 7378H4

Difficulty date
December 15, 2021
Submitted
January 13, 2022
Operation
Air carrier
Aircraft
N8675A
Make and model
Boeing 7378H4
Aircraft serial
35976
Aircraft time
20,667 hours, 9,472 cycles
Part
Angle
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

FWD CARGO COMPARTMENT FLOOR STRUCTURE STA 500B+18; LBL 24; WL 156 L/H Z-ANGLE HAS CORROSION. A224-005 ; / [01] REMOVED CORROSION IAW SRM 51-10-02 VERIFIED WITH 10X MAGNIFY ORIGINAL THICKNESS .040 MATERIAL REMOVED .006 REMAINING MATERIAL034 OUT OF LIMITS IAW SRM 53-00-53-1A-2 TOOL NO. AAR 36644 DUE DATE 20 AUG 22; [02] VRIFIED STEP 4 IS COMPLETE; [03] VERIFIED STEP 1 NOT STEP 4; [04] VERIFIED STEPS 1-3; [05] REMOVED DAMAGE OUT OF LIMITS Z ANGLE FROM STA 500 B THROUGH 500 D IAW SRM 53-00-53-2R-5; [06] VERIFIED STEP COMPLETE; [07] MATERIAL NEEDED FOR Z ANGLE REPAIR BAC1496-444 7075 T6 ATAG A108149 IAW SRM 53-00-53-2R-5; [08] VERIFIED STEP 7; [09] VERIFIED ITEM 7; [10] FABRICATED REPAIR PARTS FOR LH Z ANGLE IAW SRM53-00-53-2R-5; [11] VERIFIED STEP 10 IS COMPLETE; [12] VERIFIED STEP 10. OK TO TREAT AND PRIME; [13] TREATED AND PRIMED REPAIR PARTS IAW AMM 51-21-41-370-802 AND 51-21-72-370-804; [14] VERIFIED STEP 13 IS COMPLETE; [15] VERIFIED STEP 13. OK TO INSTALL; [16] COMPLIED WITH; [17] VERIFIED INSTALL OF L/H Z ANGLE FROM STA 480+10 TO 500B+10 IAW B737 SRM 53-00-53-2R-5; [18] VERIFIED STEPS 16 & 17. AUDIT COMPLETE

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