Service difficulty report · Channel · Boeing 7377H4

Difficulty date
July 18, 2022
Submitted
August 23, 2022
Operation
Air carrier
Aircraft
N950WN
Make and model
Boeing 7377H4
Aircraft serial
36664
Aircraft time
39,351 hours, 23,848 cycles
Part
Channel
Condition
Corroded
Location
Fwd 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 *** FWD CARGO COMPARTMENT BILGE AREA; ZEE CHANNEL; AT STA 420; LBL 21; WL 155.3 CORROSION SPOT. / [01] FOUND EXFOLIATED CORROSION OUT OF LIMITS AT FWD CARGO COMPT ZEE CHANNEL FROM STA 400 TO 500D PER REF B767-700 SRM 53-00-53-1A-2.;[02] RECEIVED NEW ZEE CHANNEL PN:143A7501U183<BR>PO:1172343;[03] LOCATED AND DRILLED NEW ZEE CHANNEL PER REF B737-700 SRM 51-40-05-0G-0;[04] CORRECTION:FOUND EXFOLIATED CORROSION OUT OF LIMITS AT FWD CARGO COMPT ZEE CHANNEL FROM STA 400 TO 500D PER REF B737-700 SRM 53-00-53-1A-2;[05] NEW ZEE CHANNEL WILL BE INSTALLED IN TASK CARD #TTG8Q004BM4P STEP 38 COPY ATTACHED.;[06] VERIFIED STEPS 3 AND 4; INSTALLATION WILL BE ACOMPLISHED ON TASK CARD #TTG8Q004BM4P STEP 38

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