Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date
April 21, 2026
Submitted
May 20, 2026
Operation
Air carrier
Aircraft
N258WN
Make and model
Boeing 7377H4
Aircraft serial
32516
Aircraft time
64,221 hours, 38,671 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 ON SEAT TRACK LBL 25 AT BS480+17; BS500+8; BS500A+7; BS500A+18; BS500B+19; BS500D+9. SEAT TRACK WILL BE REPLACED ON FAULT# TTG8Q01BUUYA. REMOVED DAMAGE ON TOP SURFACE OF SEAT TRACK AT DISCREPANCY AREA; REWORKED AREA: L= 1.5'; W= 0.6'; MAX. MATERIAL LOSS= 0.026'; WAS FOUND OUT OF LIMIT IAW SRM 53-00-52-1A-1; STEP 4A(2)(A); FIG 103; DETAIL A.

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