Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
December 11, 2023
Submitted
January 15, 2024
Operation
Air carrier
Aircraft
N919WN
Make and model
Boeing 7377H4
Aircraft serial
36625
Aircraft time
50,919 hours, 30,525 cycles
Part
Intercostal
Part number
UNKNOWN
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 WEB - INTERCOSTAL LOCATED BS847 TO BS867 AT LEVEL LBL24 AT AFT CARGO COMPARTMENT 2023-758372<[01] REPLACED WEB - INTERCOSTAL LOCATED BS847 TO BS867 AT LEVEL LBL24 AT AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02-0G-0 AND SRM 51-10-02-0G-0 ITEM 9 LENGTH OF CRACK IS: 0.575? TOOL USED DIGITAL CALIPER P/N:500-197-30 S/N:A21147745 DUE DATE:04-MAY-24;[02] REPLACED WEB - INTERCOSTAL LOCATED BS847 TO BS867 AT LEVEL LBL24 AT AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02-0G-0 AND SRM 51-10-02-0G-0 ITEM 9 LENGTH OF CRACK IS: 0.575? TOOL USED DIGITAL CALIPER P/N:500-197-30 S/N:A21147745 DUE DATE:04-MAY-24.

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