Service difficulty report · Angle · Boeing 7377H4

Difficulty date
October 28, 2022
Submitted
November 9, 2022
Operation
Air carrier
Aircraft
N219WN
Make and model
Boeing 7377H4
Aircraft serial
32490
Aircraft time
57,986 hours, 34,691 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

CRACK FOUND ON UPPER ATTACH ANGLE STA 663 (WL 167) AT LBL 40 / [01] STARTED REMOVING FASTENERS FROM UPPER ATTACH ANGLE STA 663 IAW SRM 51-40-02-0G-0;[02] DOCUMENTED STARTED INSTALL OF ATTACH ANGLE ENTERED AS CORRECTIVE ACTION 1;[03] ACTION 2 SHOULD STATE REMOVAL NOT INSTALL;[04] VERIFIED ACTION 2 IN STEP 1; ACTION 1 IN STEP 2; AND ACTION 1 IN STEP 3;[05] VERIFIED STEP 1 ITEM 4 AND STEP 4 ITEM 1;[06] VERIFIED STEP 4 AND 5;[07] VERIFIED ITEM 2 OF STEP 8;[08] OK TO INSTALL REMOVED STRUCTURE FOR REPAIR;[09] AUDIT C/W

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