Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
June 29, 2023
Submitted
July 12, 2023
Operation
Air carrier
Aircraft
N291WN
Make and model
Boeing 7377H4
Aircraft serial
32539
Aircraft time
52,452 hours, 31,399 cycles
Part
Intercostal
Part number
UNKNOWN
Condition
Cracked
Location
Zn 200 Fus Top
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

FOUND CRACKED UPPER ANGLE OF INTERCOSTAL AT BL 0; BETWEEN STA. 500D TO 520.<[01] REMOVE DAMAGE INTERCOSTAL ANGLE; INSTALLED NEW INTERCOSTAL ANGLE ; P/N 143A5410-170 AT BL 0; BETWEEN STA. 500D TO 520 AS PER SRM 51-40-02-0G-0;[02] VERIFIED REMOVE DAMAGE INTERCOSTAL ANGLE; INSTALLED NEW INTERCOSTAL ANGLE ; P/N 143A5410-170 AT BL 0; BETWEEN STA. 500D TO 520 AS PER SRM 51-40-02-0G-0.

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