Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
February 18, 2025
Submitted
March 24, 2025
Operation
Air carrier
Aircraft
N289CT
Make and model
Boeing 7377H4
Aircraft serial
36633
Aircraft time
57,118 hours, 34,525 cycles
Part
Intercostal
Condition
Cracked
Location
Zone 200
Stage of operation
IN
How discovered
V
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 BS 380-400 RBL 40 WL 208. <[01] REMOVED AND REPLACED CRACKED INTERCOSTAL WITH NEW AT BS 380-400 RBL 40 WL 208. VERIFIED SRM 53-00-04-1A-1 IS APPLICABLE FOR ALLOWABLE DAMAGE ON CRACKED INTERCOSTAL BS 380-400 RBL 40 WL 208. REMOVED CRACKED INTERCOSTAL AT BS 380-400 RBL 40 WL 208 IAW SRM 51-40-02 INSTALLED NEW INTERCOSTAL AT BS 380-400 RBL 40 WL 208 IAW SRM 51-40-02; BOEING DWG#143A5400 REV:A PART FOUND TO BE OUT OF LIMITS DUE TO CRACK BEING IN THE HOLE IAW SRM 53-00-04-1A-1 TREATED AND PRIMED IAW SRM 53-00-04-1A-1 PARAGRAPH 2. E. (1) (2); [02] VERIFIED.

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