Service difficulty report · Support Channel · Boeing 7377H4

Difficulty date
March 23, 2022
Submitted
May 3, 2022
Operation
Air carrier
Aircraft
N424WN
Make and model
Boeing 7377H4
Aircraft serial
29828
Aircraft time
66,349 hours, 39,132 cycles
Part
Support 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 AFT CARGO COMPARTMENT BILGE R/H SIDE SUPPORT ZEE CHANNEL FROM STA 727 TO STA 767 MKD DOT / [01] EVALUATED CORROSION AT AFT CARGO COMP BILGE R/H SIDE SUPPORT ZEE CHANNEL FROM BS 727 TO BS 767; FOUND EXFOLIATION AROUND FASTENERS HOLES ALONG THE PART; FOUND OUT OF LIMITS PER REF B737 SRM 53-00-53-1A-2 FIG 103 DETAIL D;[02] RECEIVED NEW ZEE CHANNEL (BS 727 TO STA 767); INSTALLATION WILL BE ACCOMPLISHED ON CUSTOMER CARD 5360-E-16462-NG (TTG8Q004E4ZB).;[03] VERIFIED STEP 2.

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