Service difficulty report · Intercostal · Boeing 7378H4

Difficulty date
December 16, 2023
Submitted
January 17, 2024
Operation
Air carrier
Aircraft
N8313F
Make and model
Boeing 7378H4
Aircraft serial
38810
Aircraft time
37,864 hours, 17,584 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

ACB WEB INTERCOSTAL LOCATED BETWEEN FRAME 727A AND 727B; RBL 20'; WL 150'LOWER FWD RADIOUS HAS A CRACK ON FWD LOWER INNER RADIOUS. (MARKED)<[01] REMOVED AND REPLACED IN TERCOSTAL BETWEEN FRAME 727A AND 727B; RBL 20'; WL 150' P/N 146A7505-2 PO# 749131 IAW SRM 51-40-02 AND DWG `146A7500 REV:;[02] VERIFIED MEASUREMENT TABLE.

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