Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
July 24, 2024
Submitted
August 13, 2024
Operation
Air carrier
Aircraft
N257WN
Make and model
Boeing 7377H4
Aircraft serial
32515
Aircraft time
59,419 hours, 35,640 cycles
Part
Intercostal
Condition
Cracked
Location
Zone 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

FOUND INTERCOSTAL COMMON TO FLOOR TO SIDEWALL SUPPORT AT ACB CRACK AT BS747-767; BETWEEN STR25-STR26 RBL21-23.<[01] REMOVED AND REMPLACED INTERCOSTAL AT ACB BETWEEN BS 747 TO BS 767; STR 25- STR 26 RBL 21- 23 PER SRM 51-40-02 AND DWG:146A7500 ID:0044 REV:C;[02] VERIFIED CORRECTIVE ACTION 1

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