Service difficulty report · Support Channel · Boeing 7377H4

Difficulty date
August 17, 2023
Submitted
September 19, 2023
Operation
Air carrier
Aircraft
N447WN
Make and model
Boeing 7377H4
Aircraft serial
33720
Aircraft time
64,361 hours, 38,208 cycles
Part
Support Channel
Part number
UNKNOWN
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 AT AFT CARGO COMPARTMENT L/H SIDE FLOOR SUPPORT Z CHANNEL S-26L STA 747 TO STA 807 MKD DOTS<[01] WORK WILL BE ACCOMPLISHED PER TASK CARD TTG8Q00MVYAF;[02] VERIFIED WORK WILL BE ACCOMPLISHED ON TTG8Q00MVYAF

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