Service difficulty report · Channel · Boeing 73779P

Difficulty date
August 12, 2021
Submitted
September 20, 2021
Operation
Air carrier
Aircraft
N7832A
Make and model
Boeing 73779P
Aircraft serial
30657
Aircraft time
52,700 hours, 33,462 cycles
Part
Channel
Condition
Corroded
Location
Bs 420-440
Stage of operation
IN
How discovered
V
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 R/H SIDE Z CHANNEL FROM STA 420 TO 440 ; / [01] REMOVED CORR. AT FWD CARGO RT. Z CHANNEL ORIGINAL MAT. .040; MAT. REMOVED .020; FOUND OUT OF LIMITS PER SRM 53-00-53-1A-2.Z CHANNEL REMOVED ON TASK CARD TTG8Q004BYWN; [02] VERIFIED <BR>OUT OF LIMITS PER SRM 53-00-53-1A-2.Z CHANNEL REMOVED ON TASK CARD TTG8Q004BYWN; [03] FWD CARGO RT Z CHANNEL STA 420 TO 440 WILL BE INSTALL ON TASK CARD TTG8Q004BYWN; [04] RECEIVED NEW Z CHANNEL; [05] STEP 4 IS A LATE ENTRY

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