Service difficulty report · Angle · Boeing 7378H4

Difficulty date
March 3, 2022
Submitted
March 29, 2022
Operation
Air carrier
Aircraft
N8680C
Make and model
Boeing 7378H4
Aircraft serial
36737
Aircraft time
20,604 hours, 9,512 cycles
Part
Angle
Condition
Corroded
Location
Fwd Cargo
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

A-061 DOT 030 FWD CARGO PIT R/H Z ANGLE CORROSION UPPER SURFACE FROM STA 500C+16' TO STA 500I RBL 23 WL 155 / [01] REMOVED CORROSION IAW SRM 51-10-02 10X MAGNIFY ORIGINAL THICKNESS .040 .010 MATERIAL REMOVED OUT OF LIMITS.030 IAW SRM 53-00-53-1A-2 AAR TOOL NO. 36646 DUE DATE 10/06/22;[02] VERIFIED ITEM 1 OUT OF LIMITS;[03] TRIMMED OUT DAMAGED SECTION OF RH Z ANGLE FROM STA 500D+10' TO AFT EOP IAW SRM 53-00-53-2R-5;[04] VERIFIED STEP 3;[05] VERIFY MATERIAL FOR Z ANGLE REPAIR BAC1496-444 7075 T6 ATAG A108165 IAW SRM 53-00-53-2R-5;[06] VERIFIED ITEM 5;[07] FABRICATED REPAIR PARTS IAW SRM 53-00-53-2R-5;[08] VERIFIED STEP 7 IS COMPLETE;[09] VERIFIED STEPS 7-8 AND OK TO TREAT AND PRIME;[10] TREATED AND PRIMED REPAIR PARTS IAW AMM 51-21-41-370-801 AND 51-21-72-370-804;[11] VERIFIED STEP 10 IS COMPLETE;[12] VERIFIED ITEMS 9 THROUGH 11<BR>OK TO INSTALL REPAIR PARTS;[13] APPLIED CIC TO THE BOTTOM OF Z ANGLE IAW AMM 51-21-91-620-802;[14] VERIFIED STEP 13 IS COMPLETE;[15] VERIFIED ITEMS 13 AND 14;[16] COMPLETED RLH Z ANGLE REPAIR IAW SRM 53-00-53-2R-5;[17] VERIFIED STEP 16<BR><BR>OK TO CIC TOP;[18] APPLIED CIC IAW AMM 51-21-91-620-802;[19] VERIFIED STEP 18;[20] AUDIT CW

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