Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date
April 27, 2026
Submitted
May 13, 2026
Operation
Air carrier
Aircraft
N474WN
Make and model
Boeing 7377H4
Aircraft serial
33861
Aircraft time
71,344 hours, 42,855 cycles
Part
Seat Track
Condition
Corroded
Location
Zone 200
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 FOUND ON PAX SEAT TRACK LBL 25, WL 208, BS 500A+8 IN WELL, BS 500C IN WELL, BS 500D+10 IN WELL. SEAT TRACK REPLACED FROM BS 480-520 TO BE ACCOMPLISHED ON TTG8Q01BWMZW.

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