Service difficulty report · Channel · Boeing 7377H4

Difficulty date
April 12, 2023
Submitted
May 11, 2023
Operation
Air carrier
Aircraft
N293WN
Make and model
Boeing 7377H4
Aircraft serial
36612
Aircraft time
50,909 hours, 30,513 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

FWD CARGO COMP CORROSION AT ZEE CHANNEL BETWEEN STA 400-500D LBL 21'<[01] REMOVED CORROSION AT FWD CARGO COMP. ZEE CHANNEL BETWEEN STA 400-500D LBL 21'. IAW SRM 51-10-02-0G-0. 'Z' CHANNEL AT LBL 21; BETWEEN STA. 460 & 500D; ORIG. MAT. : 0.040'; MAT. REMOVED: 0.009'; REMAINING MAT.: 0.031'. FOUND OUT OF LIMITS AS PER SRM 53-30-53-1A-2. FIG.103. 'D'. TOOL USED: ID# 0011; DUE DATE: 05/11/23. REPLACEMENT/REPAIR OF 'Z' CHANNEL RBL 21; FROOM STA. 440 + 10' TO STA. 500D; WILL BE TRANSFERRED TO CARD: TTG8Q00KEHM3.;[02] VERIFIED STEP 1

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