Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date
September 8, 2020
Submitted
September 14, 2020
Operation
Air carrier
Aircraft
N918WN
Make and model
Boeing 7377H4
Aircraft serial
29843
Aircraft time
42,267 hours, 25,177 cycles
Part
Seat Track
Condition
Corroded
Location
Bs 594
Stage of operation
IN
How discovered
9
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 PASSENGER CABIN SEAT TRACK AT BS 594 RBL 45 WL 208.1. REMOVED CORROSION ON PASSENGER CABIN SEAT TRACK BS 594 RBL 45 WL 208.1. MAXIMUM MATERIAL LOSS ON THE TOP SURFACE OF THE TRACK L=3.7' D=0.008' AND L=3' D=0.015' IN THE BOTTOM OF THE TRACK, FOUND TO BE WITHIN LIMITS. APPLIED CHEMICAL CONVERSION COATING AND ALUMINIZED EPOXY PRIMER, IAW SRM 53-00-52-1A-1 89004U 09SEP20.

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