Service difficulty report · Angle · Boeing 7377H4

Difficulty date
May 8, 2023
Submitted
May 18, 2023
Operation
Air carrier
Aircraft
N243WN
Make and model
Boeing 7377H4
Aircraft serial
34863
Aircraft time
56,458 hours, 33,945 cycles
Part
Angle
Condition
Cracked
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

UPPER ATTACH ANGLE AT STA 663 WL 193 RBL 33. CRACK FOUND DURING VISUAL INSPECTION OF ANGLE AT BALL VALVE INBD NUTPLATE. VERIFIED WITH HFEC; MARKED IN BLACK.<[01] CUT AND REMOVED DAMAGED SECTION OF ATTACH ANGLE IAW SRM 51-10-02-0G-0.;[02] VERIFIED STEP 1 COMPLETE<BR><BR>VERIFIED CRACK FREE IAW B737 NDT P6 51-00-00 P23 TOOL 44291 DUE 03NOV23;[03] VERIFIED MATERIAL FOR -1 FILLER P/N 7075-T6-100 ATAG A39363 IAW SRM 57-10-10-2R-6;[04] VERIFIED ITEM 3;[05] FABRICATED -1 FILLER IAW SRM 57-10-10-2R-6;[06] VERIFIED ACTION ITEM 5;[07] OK GIVEN TO TREAT AND PRIME;[08] TREATED AND PRIMED -1 FILLER IAW SRM 57-10-10-2R-6;[09] VERIFIED ITEM 8;[10] INSTALLED REPAIR FILLER IAW SRM 57-10-10-2R-6 SECTION 4.M;[11] VERIFIED STEP 10;[12] REAPIR BEEN C/W I.A.W SRM 57-10-10-2R-6;[13] REFER TO FAULT TTG8Q00KVELX WHERE EA 23-157-01477 WAS ADDED AS A SUBTASK.';[14] AUDIT C/W

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