Service difficulty report · Channel · Boeing 7378H4

Difficulty date
May 13, 2023
Submitted
June 12, 2023
Operation
Air carrier
Aircraft
N8540V
Make and model
Boeing 7378H4
Aircraft serial
63598
Aircraft time
19,326 hours, 9,563 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

AFT CARGO COMP. Z CHANNEL FROM STA 727J + 2' TO 747; LBL 21 ;WL 156.4 AROUND THE NUTPLATE HOLE HAS CORROSION. (228-015)<[01] REMOVED CORROSION; PERFORMED UT THICKNESS INSPECTION; EVALUATED REWORKED AREA FOUND OUT OF LIMITS PER SRM 51-10-02-0G-0 AND SRM 53-00-53-1A-2. FABRICATION OF AFT CARGO LEFT 'Z' CHANNEL TO BE ACCOMPLISHED ON TASKCARD TTG8Q00L6BLG.

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