Service difficulty report · Structure · Boeing 7377H4

Difficulty date
February 10, 2023
Submitted
March 13, 2023
Operation
Air carrier
Aircraft
N277WN
Make and model
Boeing 7377H4
Aircraft serial
32531
Aircraft time
51,901 hours, 31,206 cycles
Part
Structure
Condition
Corroded
Location
Zn 200 Fus Top
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

MAIN CABIN FWD WET AREA CORROSION AT INNER CHORD LBL 58' BETWEEN STA 344-312<[01] FAULT WAS RESOLVED ON ANOTHER FAULT:THE INNER CHORD P/N: 141A8112-1; WILL BE REPLACED ON CARD :TTG8Q00HRY1G.;[02] VERIFIED STEP 1

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