Service difficulty report · Seat Track · Boeing 7377BD

Difficulty date
November 21, 2025
Submitted
December 30, 2025
Operation
Air carrier
Aircraft
N7743B
Make and model
Boeing 7377BD
Aircraft serial
36718
Aircraft time
55,721 hours, 29,446 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 TOP OF PAX CABIN SEAT TRACK BS 480 TO BS 520 LBL 25 WL 208. RECEIVED NEW FABRICATED SEAT TRACK, LOCATED AND DRILLED NEW FABRICATED SEAT TRACK IAW SRM 51-40-05-0G-0, DWG 143A5310, SHEET 110, REV -, AND DWG 143A5300, SHEET 67, REV -, AND EA 25-153-03311. COMPLETED INSTALLATION OF PASSENGER CABIN SEAT TRACK AT BS 480 - 520, LBL 25, WL 208 IAW SRM 51-40-02, AND DWG 143A5300, SHEET REV -, AND EA 25-153-03311.

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