Service difficulty report · Seat Track · Boeing 737790

Difficulty date
October 29, 2016
Submitted
November 21, 2016
Operation
Air carrier
Aircraft
N618AS
Make and model
Boeing 737790
Aircraft serial
30543
Aircraft time
54,835 hours, 24,781 cycles
Part
Seat Track
Part number
144A53503
Condition
Corroded
Location
Fuselage
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

SEAT TRACK CORRODED AT SEVERAL SPOTS. BS 540 - BS 706, RBL 45.57. GROUNDED - YES. REMOVED CORROSION AND FOUND BEYOND ALLOWABLE LIMITS IAW SRM 53-40-52-1A-1, ORIGINAL MATERIAL THICKNESS IS 0.146 IN, REMAINING THICKNESS IS 0.080 IN, REMOVED 0.066 IN. REMOVED SEAT TRACK SECTION FABRICATED NEW SEAT TRACK SECTIONS AND REPAIR SPLICE AND INSTALLED SEAT TRACK SECTIONS AND SPLICE IAW SRM 53-00-52-2R-2 AND DWG 144A5300 REV E.