Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
May 31, 2023
Submitted
July 5, 2023
Operation
Air carrier
Aircraft
N962WN
Make and model
Boeing 7377H4
Aircraft serial
36963
Aircraft time
38,452 hours, 23,554 cycles
Part
Intercostal
Part number
UNKNOWN
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 CABIN BS295.5 S-16L WL216.<[01] REMOVED CRACKED INTERCOSTAL AT FWD CABIN BS295.5 S-16L WL216 IAW SRM 51-40-02;[02] LOCATED AND DRILLED NEW INTERCOSTAL P/N 141A8181U51 LOT# 1530110-1 AT FWD CABIN BS 295.5 S-16L WL 216 PER SRM 51-40-05-0G-0 AND DWG 141A8180. <BR>OK TO INSTALL INTERCOSTALL;[03] VERIFIED CORRECTIVE ACTION 2<BR>OK TO INSTALL INTERCOSTAL GIVEN;[04] PARTIALLY INSTALLATION OF NEW INTERCOSTAL P/N 141A8181U51 I.A.W SRM 51-40-02-0G-0 AND DWG 141A8180.;[05] INSTALLED NEW INTERCOSTAL P/N 141A8181U51 I.A.W SRM 51-40-02-0G-0 AND DWG 141A8180.;[06] VERIFIED CORRECTIVE ACTION #4; #5.<BR>VERIFIED MEASUREMENTS.

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