Service difficulty report · Channel · Boeing 7377H4

Difficulty date
April 28, 2022
Submitted
May 31, 2022
Operation
Air carrier
Aircraft
N479WN
Make and model
Boeing 7377H4
Aircraft serial
33990
Aircraft time
59,976 hours, 35,850 cycles
Part
Channel
Condition
Corroded
Location
Aft Cargo Bay
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

L/H AFT CARGO COMPARTMENT FLOOR @ STA 727 - STA 757 STR 25L WL 160 Z CHANNEL HAS CORROSION IN SEVERAL AREAS. (18-042). REMOVED CORROSION AT L/H AFT CARGO COMPARTMENT STA727-STA757 STR25L WL160 Z CHANNEL; ASPER REF B737 SRM 51-10-02-0G-0 .FOUND EXFOLIATE CORROSION AS PER REF B737 SRM53-00-53-1A-2; REMOVED CORROSION AT L/H AFT CARGO COMPARTMENT STA727-STA757 STR25L WL160 Z CHANNEL; ASPER REF B737 SRM 51-10-02-0G-0 .FOUND EXFOLIATE CORROSION OUT OF LIMITS; AS PER REF B737 SRM53-00-53-1A-2; VERIFIED 4; RECEIVED NEW ZEE ASSY P/N 146A7502-51; NEW ZEE TO BE INSTALLED ON CUSTOMER BAR CODE TTG8Q00C62BG;

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