Service difficulty report · Intercostal · Boeing 7378H4

Difficulty date
March 16, 2026
Submitted
April 9, 2026
Operation
Air carrier
Aircraft
N8631A
Make and model
Boeing 7378H4
Aircraft serial
42385
Aircraft time
39,753 hours, 19,327 cycles
Part
Intercostal
Condition
Cracked
Location
Zn 100
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

FCB INTERCOSTAL IS CRACKED AT BS 500F TO BS500G RBL25<[01] REMOVED AND REPLACED INTERCOSTAL FROM BS 500F- BS 500G; RBL 25 PER SRM 51-10-02 PARAGRAPH 9.C.;[02] VERIFIED CORRECTIVE ACTION 1

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