Service difficulty report · Web · Boeing 7377H4

Difficulty date
December 28, 2023
Submitted
January 30, 2024
Operation
Air carrier
Aircraft
N469WN
Make and model
Boeing 7377H4
Aircraft serial
33859
Aircraft time
65,073 hours, 38,942 cycles
Part
Web
Part number
UNKNOWN
Condition
Corroded
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

CORROSION ON WEB AT ACB BS787+4 RBL19 WL157.<[01] REMOVED AND REPLACED WEB INTERCOSTAL P/N 146A8123-22 LOT. 1551095-1. LOCATE BS.787 - 794 RBL 19 WL 158 PER SRM 51-40-02. DWG# 1468123; DWG# 146A8120.<BR>AND REINSTALLED FOR FOM FASTENERS AND INTERCOSTAL WEB LOCATED BETWEEN BS 787 - 794 RBL 25 WL 158 PER SRM 51-40-02.DWG# 146A8320.;[02] VERIFIED CORRECTIVE ACTION 1 AND MEASUREMENT TABLE.<BR>JOB COMPLETE.

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