Service difficulty report · Gusset · Boeing 7377H4

Difficulty date
September 2, 2021
Submitted
September 13, 2021
Operation
Air carrier
Aircraft
N966WN
Make and model
Boeing 7377H4
Aircraft serial
36966
Aircraft time
32,714 hours, 19,999 cycles
Part
Gusset
Part number
143A94836
Condition
Cracked
Location
Bs 500d S19l
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

L/H GUSSET FOUND TO BE CRACKED AT BS500D STR19L WL190 / [01] REMOVED GUSSET AT BS 500D STR 19L WL 190. IAW. SRM 51-40-02; [02] EVALUATED DAMAGE ON GUSSET LOCATED AT B/S 500D STR 19L WL 190 AND NOT FOUND ALLOWABLE DAMAGE LIMITS ON SRM MUST BE REPLACED IAW SRM 51 -10-02 PARAGRAPH 9; [03] LOCATED AND DRILLED NEW GUSSET AT B/S 500D STR 19L WL 190 P/N 143A9483-6 LOT# 1460592-1 IAW SRM 51-40-05 AND DWG 143A7902 REV:B; [04] OK TO INSTALL; [05] VERIFIED ITEMS 2 AND 3 CORRECTIVE ACTIONS. OK TO INSTALL.; [06] INSTALLED NEW GUSSET AT B/S 500D STR 19L WL 190 P/N 143A9483-6 IAW SRM 51-40-02 AND DWG 143A7902 REV:B; [07] VERIFIED ITEM 6 CORRECTIVE ACTIONS.; [08] VERIFIED ALL ITEMS COMPLETE.

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