SDR SWAA2026060197036

Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date: May 9, 2026
Submitted: June 2, 2026
Operation: Air carrier
Aircraft: N477WN
Make and model: Boeing 7377H4
Aircraft serial: 33988
Aircraft time: 72,345 hours, 43,352 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
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 SEAT TRACK LOCATED BS 360 PLUS 14 INCH AND LBL 45.5 WL 208.1 PASSENGER CABIN. REPLACED SEAT TRACK LOCATED BS 360 TO BS 480 AND LBL 45.5 WL 208.1 PASSENGER CABIN IAW SRM 51-10-02 ITEM 9; SRM 51-40-02 AND DWG: 143A5300; SHEET 54, REV -, DWG: 141A5300; SHEET: 21; REV - .

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