Service difficulty report · Track · Boeing 7377H4

Difficulty date
April 25, 2023
Submitted
May 25, 2023
Operation
Air carrier
Aircraft
N959WN
Make and model
Boeing 7377H4
Aircraft serial
36674
Aircraft time
38,285 hours, 23,370 cycles
Part
Track
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 ON AFT CARGO BAY TRACK AT LBL 17 BS 767 WL 154.<[01] REMOVED AFT CARGO BAY TRACK TIE DOWN AT BS 727 TO 867 LBL 17 WL 154 IAW SRM 51-40-02-0G-0;[02] LOCATED AND DRILLED NEW AFT CARGO BAY TRACK TIE DOWN AT BS 727 TO 867 LBL 17 WL 154 IAW SRM 51-40-05-0G-0 DWG 146A7501;[03] VERIFIED CORRECTIVE ACTION 2 AND THE MEASUREMENT TABLE.;[04] OK TO INSTALL NEW TRACK TIE DOWN;[05] VERIFIED CORRECTIVE ACTION 4- OK TO INSTALL.;[06] INSTALLED NEW AFT CARGO BAY TRACK TIE DOWN AT BS 727 TO 867 LBL 17 WL 154 IAW SRM 51-40-02-0G-0 DWG 146A7500;[07] VERIFIED CORRECTIVE ACTION 6;[08] CARD COMPLETED;[09] UPDATED INSTALLED PARTS INFO;[10] VERIFIED CORRECTIVE ACTION 9-10 AND MEASUREMENT TABLE

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