Service difficulty report · Channel · Boeing 7377H4

Difficulty date
May 4, 2023
Submitted
June 12, 2023
Operation
Air carrier
Aircraft
N222WN
Make and model
Boeing 7377H4
Aircraft serial
34290
Aircraft time
58,122 hours, 34,829 cycles
Part
Channel
Condition
Corroded
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

CORROSION....R/H AFT CARGO COMPARTMENT BILGE @ STA 727 - STA 767 STR 25R WL156.4 Z CHANNEL HAS CORROSION. (18-031)<[01] REMOVED AND REPLACED WITH NEW Z-CHANNEL BETWEEN STA. 727 - STA 767; STR 25R; WL 156.4 PER REF. SRM 51-40-02-0G-0 AND DRAWING 146A7500.;[02] VERIFIED AND INSPECTED REMOVED AND REPLACED WITH NEW Z-CHANNEL BETWEEN STA. 727 - STA 767; STR 25R; WL 156.4 PER REF. SRM 51-40-02-0G-0 AND DRAWING 146A7500.

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