Service difficulty report · Angle · Boeing 7378

Difficulty date
July 1, 2023
Submitted
July 25, 2023
Operation
Air carrier
Aircraft
N8706W
Make and model
Boeing 7378
Aircraft serial
42559
Aircraft time
12,476 hours, 5,539 cycles
Part
Angle
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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

(A204 DOT 14) AFT CARGO STA 727I+4 RBL 23; WL 161; Z-ANGLE HAS CORROSION AROUND FASTNER HOLE.<[01] REMOVED CORROSION OF Z- ANGLE AND CHECK WITH MAGNIFYING GLASS IAW SRM 51-10-02-0G-0 ITEM 14;[02] EVALUATED DAMAGE ;ORIG.'T' .040 MATERIAL REMAINING.032 LOSS.008 FOUND OUT OF LIMITS IWA SRM 53-00-53-1A-2 TOOL USED UT AAR#36644 DUE 08/02/23;[03] ENTER IN ERROR : TOOL USED AAR#36649 DUE 08/02-23;[04] REMOVED DAMAGED PART OF THE SIDEPLATE I.A.W. SRM 53-00-53-2R-5;[05] C/W;[06] VERIFIED MATERIAL FOR -1 ZEE CHANNEL SIDEPLATE AND -2 SPLICE SIDEPLATE MATERIAL BAC1496-377 7075-T62 ATAG A120480 IAW SRM 53-00-53-2R-5 TABLE 201;[07] VERIFIED ITEM 6;[08] STARTED FABRICATING NEW -1 ZEE CHANNEL SIDEPLATE IAW SRM 53-00-53-2R-5;[09] VERIFIED ITEM 8;[10] COMPLETED FABRICATION OF Z-ANGLE AND SPLICE IAW SRM 53-00-53-2R-5 FIGURE 202.;[11] VERIFIED STEP 10 C/W<BR>OK TO TREAT AND PRIME;[12] APPLIED CHEMICAL CONVERSION AND PRIMER IAW SRM 53-00-53-2R-5 SECTION 4. I; J.;[13] STEP 12 C/W;[14] OK TO INSTALL SPLICE PARTS AND NUT PLATES;[15] INSTALLED NUTPLATES ON NEW Z-ANGLE SECTION IAW SRM 53-00-53-2R-5 SECTION 4. K.;[16] STEP 15 C/W;[17. Z ANGLE HAS BEEN CUT AT STA 727H+12' TO STA 767 R/H <BR>OK TO INSTALL;[21] INSTALLED ALL REPAIR PARTS IAW SRM 53-00-53-2R-5 FIG 202;[22] NEED OK TO APPLY CIC REPAIR AREA;[23] VERIFIED ITEM 21;[24] OK TO CIC;[25] CICED AREA I.A.W SRM 53-00-53-2R-5;[26] STEP 25 C/W AUDIT C/W

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