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 BS294+7 RBL30 WL208.<[01] REMOVED INTERCOSTAL BS 294 TO BS 312 RBL 30 WL 208.1 PER SRM 51-40-02-0G-0;[02] LOCATED AND DRILLED NEW INTERCOSTAL AT FWD WET AREA BS 294 TO BS 312 RBL 30 WL 208.1; IAW SRM 51-40-05-0G-0 AND DWG 141A5410. OK TO INSTALL;[03] INSPECTED ACTION 1;2 OK TO INSTALL;[04] INSTALLED NEW INTERCOSTAL AT FWD WET AREA BS 294 TO BS 312 RBL 30 WL 208.1; IAW SRM 51-40-02-0G-0 AND DWG 141A5400; CARD IS COMPLETED;[05] VERIFIED CORRECTIVE ACTION 4.;[06] VERIFIED THE MEASUREMENT TABLE.

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