Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
May 26, 2023
Submitted
July 5, 2023
Operation
Air carrier
Aircraft
N440LV
Make and model
Boeing 7377H4
Aircraft serial
29835
Aircraft time
66,389 hours, 39,384 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

FWD CABIN WET AREA L/H SIDE WALL INTERCOSTAL CRACKED @ S-16L BETWEEN STA 259.5 & 303.8 MKD DOT CORRECTION FWD CABIN WET AREA L/H SIDE WALL INTERCOSTAL CRACKED @ S-16L BETWEEN STA 294.5 & 303.9<[01] REMOVE AND REPLACE DAMAGE INTERCOSTAL;[02] CORRECTION TO STEP#1 REMOVE AND REPLACE DAMAGE INTERCOSTAL PER SRM 51-40-02-0G-0;[03] VERIFIED STEP 2 INTERCOASTAL REPLACED.

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