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

CORROSION.....R/H AFT CARGO COMPARTMENT FLOOR @ STA 727D - STA 767 STR 25R WL 160 Z CHANNEL HAS CORROSION IN SEVERAL AREAS. (18-046) / [01] REMOVED CORROSION AT R/H AFT CARGO COMPARTMENT FLOOR STA 727D -STA767 STR 25R WL160 Z CHANNEL AS PER REF B737 SRM 51-10-02-0G -0 ;FOUND EXFOLIATE CORROSION OUT OF LIMITS AS PER REF B737 SRM 53-00-53-1A-2;[02] RECEIVED NEW AFT CARGO ZEE ASSY P/N 146A7502-27; NEW ZEE TO BE INSTALLED ON CUSTOMER BAR CODE TTG8Q004FJTU;[03] VERIFIED STEP 1.

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