Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
January 5, 2023
Submitted
February 7, 2023
Operation
Air carrier
Aircraft
N209WN
Make and model
Boeing 7377H4
Aircraft serial
32484
Aircraft time
59,684 hours, 35,490 cycles
Part
Intercostal
Part number
NOTREPORTED
Part serial
NOTREPORTED
Condition
Cracked
Location
Zn 200 Fus Top
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

CRACKED INTERCOSTAL AT FWD WET AREA BS328+7 LBL46 WL208.<[01] REMOVED INTERCOSTAL AT FWD WET AREA BS328 TO BS344 LBL46 IAW SRM 51-40-02-0G-0;[02] LOCATED AND DRILLED NEW INTERCOSTAL AT FWD WET AREA BS328 TO BS344 LBL46 IAW SRM 51-40-05-0G-0 DWG 141A5400; OK TO INSTALL;[03] VERIFIED CORRECTIVE ACTION 2 AND THE MEASUREMENT TABLE.;[04] INSTALLED NEW INTERCOSTAL AT FWD WET AREA BS328 TO BS344 LBL46 WL 280; IAW SRM 51-40-02-0G-0 DWG 141A5400 CARD IS COMPLETED;[05] VERIFIED CORRECTIVE ACTION 4.;[06] VERIFIED THE MEASUREMENT TABLE. WORKSCOPE COMPLETE.

More about the Boeing 737-7H4