SDR SWAA2026032775908

Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date: March 2, 2026
Submitted: March 27, 2026
Operation: Air carrier
Aircraft: N923WN
Make and model: Boeing 7377H4
Aircraft serial: 36627
Aircraft time: 57,855 hours, 35,265 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 ON TOP & IN WELL OF PAX CABIN SEAT TRACK LBL 45 BS 500+8 TOP, BS 500A+7 WELL, BS 500B+18 WELL., WL 208. REMOVED CORROSION ON PAX CABIN SEAT TRACK LBL 45 WL 208 AT BS 500+8 ON TOP PER SRM 51-10-02-0G-0. AREA BLENDED IS L4' X W1' X D0.026' FOUND TO BE OUT OF LIMITS IAW SRM 53-00-52-1A-1, PARAGRAPH 4. A.(2), FIGURE 103, DETAIL A.

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