Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
March 10, 2021
Submitted
April 5, 2021
Operation
Air carrier
Aircraft
N219WN
Make and model
Boeing 7377H4
Aircraft serial
32490
Aircraft time
53,274 hours, 31,733 cycles
Part
Intercostal
Condition
Corroded
Location
Aft Cargo
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

***CORROSION*** ACB INTERCOSTAL BS 767787 RBL 22 W L 156 CORROSION DAMAGE EVALUATION PN 146A812320 ACB INTERCOSTAL ASSY BS767787; RBL 22; WL 156; WAS FOUND TO BE OUT OF LIMITS DUE TO PROXIMITY TO HOLES PER SRM 530004. REMOVED AND INSTALLED NEW ACB INTERCOSTAL ASSY PN 146A812320 BS 767787; RBL 22; WL 156. PER DWG 146A0081; AND SRM 514002 87713U 17MAR21

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